226463391 has 32 divisors (see below), whose sum is σ = 418291200. Its totient is φ = 117642240.

The previous prime is 226463383. The next prime is 226463423. The reversal of 226463391 is 193364622.

226463391 is a `hidden beast` number, since 2 + 2 + 646 + 3 + 3 + 9 + 1 = 666.

It is not a de Polignac number, because 226463391 - 2³ = 226463383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226463371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52386 + ... + 56543.

It is an arithmetic number, because the mean of its divisors is an integer number (13071600).

Almost surely, 2^226463391 is an apocalyptic number.

226463391 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

226463391 is a deficient number, since it is larger than the sum of its proper divisors (191827809).

226463391 is a wasteful number, since it uses less digits than its factorization.

226463391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108956 (or 108950 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 226463391 is about 15048.7006415836. The cubic root of 226463391 is about 609.5359643893.

The spelling of 226463391 in words is "two hundred twenty-six million, four hundred sixty-three thousand, three hundred ninety-one".