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622122130 = 25721923517
BaseRepresentation
bin100101000101001…
…101010010010010
31121100122002010101
4211011031102102
52233230402010
6141422123014
721262644100
oct4505152222
91540562111
10622122130
1129a198623
1215442046a
139bb72c06
145c8a4c70
153993c73a
hex2514d492

622122130 has 72 divisors (see below), whose sum is σ = 1375207308. Its totient is φ = 202015296.

The previous prime is 622122097. The next prime is 622122169. The reversal of 622122130 is 31221226.

It can be written as a sum of positive squares in 2 ways, for example, as 592386921 + 29735209 = 24339^2 + 5453^2 .

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 622122098 and 622122107.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 175132 + ... + 178648.

Almost surely, 2622122130 is an apocalyptic number.

622122130 is an abundant number, since it is smaller than the sum of its proper divisors (753085178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622122130 is a wasteful number, since it uses less digits than its factorization.

622122130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3576 (or 3550 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 622122130 is about 24942.3761899303. The cubic root of 622122130 is about 853.6736637222.

Adding to 622122130 its reverse (31221226), we get a palindrome (653343356).

The spelling of 622122130 in words is "six hundred twenty-two million, one hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 19 35 38 49 70 95 98 133 190 245 266 361 490 665 722 931 1330 1805 1862 2527 3517 3610 4655 5054 7034 9310 12635 17585 17689 24619 25270 35170 35378 49238 66823 88445 123095 133646 172333 176890 246190 334115 344666 467761 668230 861665 935522 1269637 1723330 2338805 2539274 3274327 4677610 6348185 6548654 8887459 12696370 16371635 17774918 32743270 44437295 62212213 88874590 124424426 311061065 622122130