22500838 has 4 divisors (see below), whose sum is σ = 33751260. Its totient is φ = 11250418.

The previous prime is 22500817. The next prime is 22500857. The reversal of 22500838 is 83800522.

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, 5625208 + ... + 5625211.

It is an arithmetic number, because the mean of its divisors is an integer number (8437815).

Almost surely, 2^22500838 is an apocalyptic number.

22500838 is a deficient number, since it is larger than the sum of its proper divisors (11250422).

22500838 is a wasteful number, since it uses less digits than its factorization.

22500838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11250421.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 22500838 is about 4743.5048223861. The cubic root of 22500838 is about 282.3143134572.

The spelling of 22500838 in words is "twenty-two million, five hundred thousand, eight hundred thirty-eight".