23225018 has 8 divisors (see below), whose sum is σ = 35408820. Its totient is φ = 11422080.

The previous prime is 23225017. The next prime is 23225021. The reversal of 23225018 is 81052232.

It can be written as a sum of positive squares in 2 ways, for example, as 13965169 + 9259849 = 3737^2 + 3043^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×23225018² = 1078802922200648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23224984 and 23225002.

It is not an unprimeable number, because it can be changed into a prime (23225017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95063 + ... + 95306.

Almost surely, 2^23225018 is an apocalyptic number.

23225018 is a deficient number, since it is larger than the sum of its proper divisors (12183802).

23225018 is a wasteful number, since it uses less digits than its factorization.

23225018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190432.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 23225018 is about 4819.2341715256. The cubic root of 23225018 is about 285.3111119888.

The spelling of 23225018 in words is "twenty-three million, two hundred twenty-five thousand, eighteen".