226404575631 has 16 divisors (see below), whose sum is σ = 361215277920. Its totient is φ = 139325892480.

The previous prime is 226404575603. The next prime is 226404575641. The reversal of 226404575631 is 136575404622.

226404575631 is a `hidden beast` number, since 2 + 2 + 6 + 4 + 0 + 4 + 5 + 7 + 5 + 631 = 666.

It is not a de Polignac number, because 226404575631 - 2¹⁰ = 226404574607 is a prime.

It is a super-2 number, since 2×226404575631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226404575641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322513290 + ... + 322513991.

It is an arithmetic number, because the mean of its divisors is an integer number (22575954870).

Almost surely, 2^226404575631 is an apocalyptic number.

226404575631 is a deficient number, since it is larger than the sum of its proper divisors (134810702289).

226404575631 is a wasteful number, since it uses less digits than its factorization.

226404575631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645027303 (or 645027297 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 226404575631 in words is "two hundred twenty-six billion, four hundred four million, five hundred seventy-five thousand, six hundred thirty-one".