22638141 has 12 divisors (see below), whose sum is σ = 34121568. Its totient is φ = 14435784.

The previous prime is 22638127. The next prime is 22638149. The reversal of 22638141 is 14183622.

22638141 is a `hidden beast` number, since 22 + 638 + 1 + 4 + 1 = 666.

It is not a de Polignac number, because 22638141 - 2⁷ = 22638013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22638149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54475 + ... + 54888.

It is an arithmetic number, because the mean of its divisors is an integer number (2843464).

Almost surely, 2^22638141 is an apocalyptic number.

It is an amenable number.

22638141 is a deficient number, since it is larger than the sum of its proper divisors (11483427).

22638141 is a wasteful number, since it uses less digits than its factorization.

22638141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109392 (or 109389 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 22638141 is about 4757.9555483422. The cubic root of 22638141 is about 282.8873887592.

It can be divided in two parts, 2263 and 8141, that added together give a square (10404 = 102²).

The spelling of 22638141 in words is "twenty-two million, six hundred thirty-eight thousand, one hundred forty-one".