22625398 has 4 divisors (see below), whose sum is σ = 33938100. Its totient is φ = 11312698.

The previous prime is 22625359. The next prime is 22625411. The reversal of 22625398 is 89352622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89352622 = 2 ⋅44676311.

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, 5656348 + ... + 5656351.

It is an arithmetic number, because the mean of its divisors is an integer number (8484525).

Almost surely, 2^22625398 is an apocalyptic number.

22625398 is a deficient number, since it is larger than the sum of its proper divisors (11312702).

22625398 is a wasteful number, since it uses less digits than its factorization.

22625398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11312701.

The product of its digits is 51840, while the sum is 37.

The square root of 22625398 is about 4756.6162342573. The cubic root of 22625398 is about 282.8342997329.

The spelling of 22625398 in words is "twenty-two million, six hundred twenty-five thousand, three hundred ninety-eight".