22942816 has 48 divisors (see below), whose sum is σ = 49130928. Its totient is φ = 10483200.

The previous prime is 22942793. The next prime is 22942837. The reversal of 22942816 is 61824922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54286 + ... + 54706.

It is an arithmetic number, because the mean of its divisors is an integer number (1023561).

Almost surely, 2^22942816 is an apocalyptic number.

22942816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22942816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24565464).

22942816 is an abundant number, since it is smaller than the sum of its proper divisors (26188112).

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

22942816 is a wasteful number, since it uses less digits than its factorization.

22942816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 567 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 22942816 is about 4789.8659688973. The cubic root of 22942816 is about 284.1508158825.

The spelling of 22942816 in words is "twenty-two million, nine hundred forty-two thousand, eight hundred sixteen".