22148604 has 36 divisors (see below), whose sum is σ = 58935240. Its totient is φ = 6994080.

The previous prime is 22148597. The next prime is 22148627. The reversal of 22148604 is 40684122.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15507 + ... + 16874.

It is an arithmetic number, because the mean of its divisors is an integer number (1637090).

Almost surely, 2^22148604 is an apocalyptic number.

It is an amenable number.

22148604 is an abundant number, since it is smaller than the sum of its proper divisors (36786636).

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

22148604 is a wasteful number, since it uses less digits than its factorization.

22148604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32410 (or 32405 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 22148604 is about 4706.2303386043. The cubic root of 22148604 is about 280.8334182352.

The spelling of 22148604 in words is "twenty-two million, one hundred forty-eight thousand, six hundred four".