22268438 has 8 divisors (see below), whose sum is σ = 33446280. Its totient is φ = 11119680.

The previous prime is 22268383. The next prime is 22268443. The reversal of 22268438 is 83486222.

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

It is a junction number, because it is equal to n+sod(n) for n = 22268398 and 22268407.

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, 5243 + ... + 8486.

It is an arithmetic number, because the mean of its divisors is an integer number (4180785).

Almost surely, 2^22268438 is an apocalyptic number.

22268438 is a deficient number, since it is larger than the sum of its proper divisors (11177842).

22268438 is a wasteful number, since it uses less digits than its factorization.

22268438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14542.

The product of its digits is 36864, while the sum is 35.

The square root of 22268438 is about 4718.9445853919. The cubic root of 22268438 is about 281.3389862948.

The spelling of 22268438 in words is "twenty-two million, two hundred sixty-eight thousand, four hundred thirty-eight".