23822238 has 64 divisors (see below), whose sum is σ = 55514880. Its totient is φ = 6795360.

The previous prime is 23822209. The next prime is 23822251. The reversal of 23822238 is 83222832.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (9216) is a multiple of the sum of its prime divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151656 + ... + 151812.

It is an arithmetic number, because the mean of its divisors is an integer number (867420).

Almost surely, 2^23822238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23822238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27757440).

23822238 is an abundant number, since it is smaller than the sum of its proper divisors (31692642).

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

23822238 is a wasteful number, since it uses less digits than its factorization.

23822238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 192 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 23822238 is about 4880.8030077027. The cubic root of 23822238 is about 287.7359897295.

The spelling of 23822238 in words is "twenty-three million, eight hundred twenty-two thousand, two hundred thirty-eight".