23226418 has 16 divisors (see below), whose sum is σ = 35947800. Its totient is φ = 11248000.

The previous prime is 23226323. The next prime is 23226439. The reversal of 23226418 is 81462232.

It can be written as a sum of positive squares in 4 ways, for example, as 4068289 + 19158129 = 2017^2 + 4377^2 .

It is a super-2 number, since 2×23226418² = 1078932986221448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11268 + ... + 13168.

Almost surely, 2^23226418 is an apocalyptic number.

23226418 is a deficient number, since it is larger than the sum of its proper divisors (12721382).

23226418 is a wasteful number, since it uses less digits than its factorization.

23226418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093.

The product of its digits is 4608, while the sum is 28.

The square root of 23226418 is about 4819.3794206308. The cubic root of 23226418 is about 285.3168447081.

The spelling of 23226418 in words is "twenty-three million, two hundred twenty-six thousand, four hundred eighteen".