23138622 has 40 divisors (see below), whose sum is σ = 55841016. Its totient is φ = 7118928.

The previous prime is 23138597. The next prime is 23138623. The reversal of 23138622 is 22683132.

23138622 is a `hidden beast` number, since 2 + 3 + 1 + 38 + 622 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23138623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3388 + ... + 7599.

Almost surely, 2^23138622 is an apocalyptic number.

23138622 is an abundant number, since it is smaller than the sum of its proper divisors (32702394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23138622 is a wasteful number, since it uses less digits than its factorization.

23138622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11014 (or 11005 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 23138622 is about 4810.2621550182. The cubic root of 23138622 is about 284.9568909866.

The spelling of 23138622 in words is "twenty-three million, one hundred thirty-eight thousand, six hundred twenty-two".