22541018 has 8 divisors (see below), whose sum is σ = 34038900. Its totient is φ = 11194720.

The previous prime is 22541017. The next prime is 22541041. The reversal of 22541018 is 81014522.

It can be written as a sum of positive squares in 2 ways, for example, as 21967969 + 573049 = 4687^2 + 757^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 22540984 and 22541002.

It is not an unprimeable number, because it can be changed into a prime (22541017) 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, 37523 + ... + 38118.

Almost surely, 2^22541018 is an apocalyptic number.

22541018 is a deficient number, since it is larger than the sum of its proper divisors (11497882).

22541018 is a wasteful number, since it uses less digits than its factorization.

22541018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75792.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 22541018 is about 4747.7381983424. The cubic root of 22541018 is about 282.4822574807.

The spelling of 22541018 in words is "twenty-two million, five hundred forty-one thousand, eighteen".