22675518 has 48 divisors (see below), whose sum is σ = 53565360. Its totient is φ = 7108992.

The previous prime is 22675511. The next prime is 22675559. The reversal of 22675518 is 81557622.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22675511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14880 + ... + 16332.

It is an arithmetic number, because the mean of its divisors is an integer number (1115945).

Almost surely, 2^22675518 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22675518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26782680).

22675518 is an abundant number, since it is smaller than the sum of its proper divisors (30889842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22675518 is a wasteful number, since it uses less digits than its factorization.

22675518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498 (or 1475 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 22675518 is about 4761.8817708969. The cubic root of 22675518 is about 283.0429914668.

The spelling of 22675518 in words is "twenty-two million, six hundred seventy-five thousand, five hundred eighteen".