22453438 has 8 divisors (see below), whose sum is σ = 38491632. Its totient is φ = 9622896.

The previous prime is 22453423. The next prime is 22453471. The reversal of 22453438 is 83435422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801895 + ... + 801922.

It is an arithmetic number, because the mean of its divisors is an integer number (4811454).

Almost surely, 2^22453438 is an apocalyptic number.

22453438 is a deficient number, since it is larger than the sum of its proper divisors (16038194).

22453438 is a wasteful number, since it uses less digits than its factorization.

22453438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603826.

The product of its digits is 23040, while the sum is 31.

The square root of 22453438 is about 4738.5058826596. The cubic root of 22453438 is about 282.1159340895.

The spelling of 22453438 in words is "twenty-two million, four hundred fifty-three thousand, four hundred thirty-eight".