18525122 has 16 divisors (see below), whose sum is σ = 34644672. Its totient is φ = 7217520.

The previous prime is 18525119. The next prime is 18525127. The reversal of 18525122 is 22152581.

It is a super-2 number, since 2×18525122² = 686360290229768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18525091 and 18525100.

It is not an unprimeable number, because it can be changed into a prime (18525127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59993 + ... + 60300.

It is an arithmetic number, because the mean of its divisors is an integer number (2165292).

Almost surely, 2^18525122 is an apocalyptic number.

18525122 is a deficient number, since it is larger than the sum of its proper divisors (16119550).

18525122 is a wasteful number, since it uses less digits than its factorization.

18525122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120313.

The product of its digits is 1600, while the sum is 26.

The square root of 18525122 is about 4304.0820159472. The cubic root of 18525122 is about 264.5982853779.

The spelling of 18525122 in words is "eighteen million, five hundred twenty-five thousand, one hundred twenty-two".