226161472 has 28 divisors (see below), whose sum is σ = 475190820. Its totient is φ = 106428416.

The previous prime is 226161469. The next prime is 226161493. The reversal of 226161472 is 274161622.

It can be written as a sum of positive squares in 2 ways, for example, as 167547136 + 58614336 = 12944^2 + 7656^2 .

It is a super-2 number, since 2×226161472² = 102298022834413568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102847 + ... + 105022.

Almost surely, 2^226161472 is an apocalyptic number.

It is an amenable number.

226161472 is an abundant number, since it is smaller than the sum of its proper divisors (249029348).

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

226161472 is a wasteful number, since it uses less digits than its factorization.

226161472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207898 (or 207888 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 226161472 is about 15038.6658982770. The cubic root of 226161472 is about 609.2649679290.

The spelling of 226161472 in words is "two hundred twenty-six million, one hundred sixty-one thousand, four hundred seventy-two".