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1401204222 = 2321124772857
BaseRepresentation
bin101001110000100…
…1010110111111110
310121122121112211200
41103201022313332
510332202013342
6351012400330
746503016335
oct12341126776
93548545750
101401204222
11659a41520
123313160a6
131943b0932
14d4146d1c
158303194c
hex5384adfe

1401204222 has 48 divisors (see below), whose sum is σ = 3314434032. Its totient is φ = 424287360.

The previous prime is 1401204199. The next prime is 1401204253. The reversal of 1401204222 is 2224021041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1401204195 and 1401204204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 489018 + ... + 491874.

It is an arithmetic number, because the mean of its divisors is an integer number (69050709).

Almost surely, 21401204222 is an apocalyptic number.

1401204222 is an abundant number, since it is smaller than the sum of its proper divisors (1913229810).

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

1401204222 is a wasteful number, since it uses less digits than its factorization.

1401204222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5353 (or 5350 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1401204222 is about 37432.6625021518. The cubic root of 1401204222 is about 1119.0096001208.

Adding to 1401204222 its reverse (2224021041), we get a palindrome (3625225263).

The spelling of 1401204222 in words is "one billion, four hundred one million, two hundred four thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 2477 2857 4954 5714 7431 8571 14862 17142 22293 25713 27247 31427 44586 51426 54494 62854 81741 94281 163482 188562 245223 282843 490446 565686 7076789 14153578 21230367 42460734 63691101 77844679 127382202 155689358 233534037 467068074 700602111 1401204222