226520013426 has 32 divisors (see below), whose sum is σ = 520213890048. Its totient is φ = 64413271440.

The previous prime is 226520013367. The next prime is 226520013439. The reversal of 226520013426 is 624310025622.

It is a happy number.

It is a super-2 number, since 2×226520013426² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12771550 + ... + 12789273.

It is an arithmetic number, because the mean of its divisors is an integer number (16256684064).

Almost surely, 2^226520013426 is an apocalyptic number.

226520013426 is an abundant number, since it is smaller than the sum of its proper divisors (293693876622).

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

226520013426 is a wasteful number, since it uses less digits than its factorization.

226520013426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25561046.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 226520013426 in words is "two hundred twenty-six billion, five hundred twenty million, thirteen thousand, four hundred twenty-six".