22152398 has 4 divisors (see below), whose sum is σ = 33228600. Its totient is φ = 11076198.

The previous prime is 22152373. The next prime is 22152401. The reversal of 22152398 is 89325122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5538098 + ... + 5538101.

It is an arithmetic number, because the mean of its divisors is an integer number (8307150).

Almost surely, 2^22152398 is an apocalyptic number.

22152398 is a deficient number, since it is larger than the sum of its proper divisors (11076202).

22152398 is a wasteful number, since it uses less digits than its factorization.

22152398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11076201.

The product of its digits is 8640, while the sum is 32.

The square root of 22152398 is about 4706.6334040373. The cubic root of 22152398 is about 280.8494526717.

The spelling of 22152398 in words is "twenty-two million, one hundred fifty-two thousand, three hundred ninety-eight".