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1422121330 = 257197281367
BaseRepresentation
bin101010011000011…
…1101100101110010
310200002222020201101
41110300331211302
510403030340310
6353040555014
750145555220
oct12460754562
93602866641
101422121330
1166a828893
12338322a6a
13198825616
14d6c2db10
1584cb443a
hex54c3d972

1422121330 has 64 divisors (see below), whose sum is σ = 2958861312. Its totient is φ = 482065920.

The previous prime is 1422121313. The next prime is 1422121331. The reversal of 1422121330 is 331212241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1422121298 and 1422121307.

It is not an unprimeable number, because it can be changed into a prime (1422121331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3874807 + ... + 3875173.

It is an arithmetic number, because the mean of its divisors is an integer number (46232208).

Almost surely, 21422121330 is an apocalyptic number.

1422121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1422121330 is an abundant number, since it is smaller than the sum of its proper divisors (1536739982).

1422121330 is a wasteful number, since it uses less digits than its factorization.

1422121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859.

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

The square root of 1422121330 is about 37711.0239850365. The cubic root of 1422121330 is about 1124.5502940039.

Adding to 1422121330 its reverse (331212241), we get a palindrome (1753333571).

The spelling of 1422121330 in words is "one billion, four hundred twenty-two million, one hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 197 281 367 394 562 734 985 1379 1405 1835 1967 1970 2569 2758 2810 3670 3934 5138 6895 9835 12845 13790 19670 25690 55357 72299 103127 110714 144598 206254 276785 361495 387499 506093 515635 553570 721889 722990 774998 1012186 1031270 1443778 1937495 2530465 3609445 3874990 5060930 7218890 20316019 40632038 101580095 142212133 203160190 284424266 711060665 1422121330