522401226 has 16 divisors (see below), whose sum is σ = 1045182528. Its totient is φ = 174070400.

The previous prime is 522401203. The next prime is 522401227. The reversal of 522401226 is 622104225.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 522401196 and 522401205.

It is not an unprimeable number, because it can be changed into a prime (522401227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3931 + ... + 32561.

It is an arithmetic number, because the mean of its divisors is an integer number (65323908).

Almost surely, 2^522401226 is an apocalyptic number.

522401226 is an abundant number, since it is smaller than the sum of its proper divisors (522781302).

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

522401226 is a wasteful number, since it uses less digits than its factorization.

522401226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31677.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 522401226 is about 22856.0982234501. The cubic root of 522401226 is about 805.3810297063.

The spelling of 522401226 in words is "five hundred twenty-two million, four hundred one thousand, two hundred twenty-six".