226521652431 has 32 divisors (see below), whose sum is σ = 319610603520. Its totient is φ = 142414272000.

The previous prime is 226521652417. The next prime is 226521652447. The reversal of 226521652431 is 134256125622.

It is not a de Polignac number, because 226521652431 - 2²² = 226517458127 is a prime.

It is a super-2 number, since 2×226521652431² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 226521652431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226521652481) 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, 3791511 + ... + 3850791.

It is an arithmetic number, because the mean of its divisors is an integer number (9987831360).

Almost surely, 2^226521652431 is an apocalyptic number.

226521652431 is a deficient number, since it is larger than the sum of its proper divisors (93088951089).

226521652431 is a wasteful number, since it uses less digits than its factorization.

226521652431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60087.

The product of its digits is 172800, while the sum is 39.

The spelling of 226521652431 in words is "two hundred twenty-six billion, five hundred twenty-one million, six hundred fifty-two thousand, four hundred thirty-one".