22754138 has 32 divisors (see below), whose sum is σ = 38776320. Its totient is φ = 9923760.

The previous prime is 22754131. The next prime is 22754141. The reversal of 22754138 is 83145722.

It is a super-2 number, since 2×22754138² = 1035501592246088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22754131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63203 + ... + 63561.

It is an arithmetic number, because the mean of its divisors is an integer number (1211760).

Almost surely, 2^22754138 is an apocalyptic number.

22754138 is a deficient number, since it is larger than the sum of its proper divisors (16022182).

22754138 is a wasteful number, since it uses less digits than its factorization.

22754138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482.

The product of its digits is 13440, while the sum is 32.

The square root of 22754138 is about 4770.1297676269. The cubic root of 22754138 is about 283.3697340392.

The spelling of 22754138 in words is "twenty-two million, seven hundred fifty-four thousand, one hundred thirty-eight".