226637855755988 has 12 divisors (see below), whose sum is σ = 396616433104500. Its totient is φ = 113318874868992.

The previous prime is 226637855755979. The next prime is 226637855756009. The reversal of 226637855755988 is 889557558736622.

It can be written as a sum of positive squares in 2 ways, for example, as 99545557471504 + 127092298284484 = 9977252^2 + 11273522^2 .

It is a super-2 number, since 2×226637855755988² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2698631 + ... + 21460622.

It is an arithmetic number, because the mean of its divisors is an integer number (33051369425375).

Almost surely, 2^{226637855755988} is an apocalyptic number.

It is an amenable number.

226637855755988 is a deficient number, since it is larger than the sum of its proper divisors (169978577348512).

226637855755988 is a wasteful number, since it uses less digits than its factorization.

226637855755988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26504506 (or 26504504 counting only the distinct ones).

The product of its digits is 60963840000, while the sum is 86.

The spelling of 226637855755988 in words is "two hundred twenty-six trillion, six hundred thirty-seven billion, eight hundred fifty-five million, seven hundred fifty-five thousand, nine hundred eighty-eight".