226320402 has 32 divisors (see below), whose sum is σ = 564332544. Its totient is φ = 58784400.

The previous prime is 226320389. The next prime is 226320403. The reversal of 226320402 is 204023622.

It is a super-2 number, since 2×226320402² = 102441848722883208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (226320403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244474 + ... + 245397.

It is an arithmetic number, because the mean of its divisors is an integer number (17635392).

Almost surely, 2^226320402 is an apocalyptic number.

226320402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

226320402 is an abundant number, since it is smaller than the sum of its proper divisors (338012142).

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

226320402 is a wasteful number, since it uses less digits than its factorization.

226320402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489894.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 226320402 is about 15043.9490161327. The cubic root of 226320402 is about 609.4076503636.

The spelling of 226320402 in words is "two hundred twenty-six million, three hundred twenty thousand, four hundred two".