22126838 has 4 divisors (see below), whose sum is σ = 33190260. Its totient is φ = 11063418.

The previous prime is 22126837. The next prime is 22126847. The reversal of 22126838 is 83862122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22126831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5531708 + ... + 5531711.

It is an arithmetic number, because the mean of its divisors is an integer number (8297565).

Almost surely, 2^22126838 is an apocalyptic number.

22126838 is a deficient number, since it is larger than the sum of its proper divisors (11063422).

22126838 is a wasteful number, since it uses less digits than its factorization.

22126838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11063421.

The product of its digits is 9216, while the sum is 32.

The square root of 22126838 is about 4703.9173036949. The cubic root of 22126838 is about 280.7413940213.

The spelling of 22126838 in words is "twenty-two million, one hundred twenty-six thousand, eight hundred thirty-eight".