226392520 has 16 divisors (see below), whose sum is σ = 509383260. Its totient is φ = 90556992.

The previous prime is 226392503. The next prime is 226392527. The reversal of 226392520 is 25293622.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 226382116 + 10404 = 15046^2 + 102^2 .

It is a super-2 number, since 2×226392520² = 102507146223900800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (226392527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2829867 + ... + 2829946.

Almost surely, 2^226392520 is an apocalyptic number.

226392520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226392520 is an abundant number, since it is smaller than the sum of its proper divisors (282990740).

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

226392520 is a wasteful number, since it uses less digits than its factorization.

226392520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5659824 (or 5659820 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 226392520 is about 15046.3457357592. The cubic root of 226392520 is about 609.4723736397.

The spelling of 226392520 in words is "two hundred twenty-six million, three hundred ninety-two thousand, five hundred twenty".