22538134 has 4 divisors (see below), whose sum is σ = 33807204. Its totient is φ = 11269066.

The previous prime is 22538119. The next prime is 22538203. The reversal of 22538134 is 43183522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43183522 = 2 ⋅21591761.

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, 5634532 + ... + 5634535.

It is an arithmetic number, because the mean of its divisors is an integer number (8451801).

Almost surely, 2^22538134 is an apocalyptic number.

22538134 is a deficient number, since it is larger than the sum of its proper divisors (11269070).

22538134 is a wasteful number, since it uses less digits than its factorization.

22538134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11269069.

The product of its digits is 5760, while the sum is 28.

The square root of 22538134 is about 4747.4344650558. The cubic root of 22538134 is about 282.4702096135.

The spelling of 22538134 in words is "twenty-two million, five hundred thirty-eight thousand, one hundred thirty-four".