226144440 has 64 divisors (see below), whose sum is σ = 753818400. Its totient is φ = 60304896.

The previous prime is 226144409. The next prime is 226144453. The reversal of 226144440 is 44441622.

It is a happy number.

226144440 is a `hidden beast` number, since 2 + 2 + 614 + 4 + 4 + 40 = 666.

It is a super-2 number, since 2×226144440² = 102282615485827200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 103617 + ... + 105776.

Almost surely, 2^226144440 is an apocalyptic number.

226144440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226144440 is an abundant number, since it is smaller than the sum of its proper divisors (527673960).

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

226144440 is a wasteful number, since it uses less digits than its factorization.

226144440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209413 (or 209403 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 226144440 is about 15038.0996139805. The cubic root of 226144440 is about 609.2496731614.

The spelling of 226144440 in words is "two hundred twenty-six million, one hundred forty-four thousand, four hundred forty".