22845942 has 64 divisors (see below), whose sum is σ = 61094400. Its totient is φ = 6181920.

The previous prime is 22845941. The next prime is 22845947. The reversal of 22845942 is 24954822.

It is a junction number, because it is equal to n+sod(n) for n = 22845897 and 22845906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22845941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5592 + ... + 8772.

It is an arithmetic number, because the mean of its divisors is an integer number (954600).

Almost surely, 2^22845942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22845942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30547200).

22845942 is an abundant number, since it is smaller than the sum of its proper divisors (38248458).

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

22845942 is a wasteful number, since it uses less digits than its factorization.

22845942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218 (or 3212 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 22845942 is about 4779.7428801140. The cubic root of 22845942 is about 283.7503178142.

The spelling of 22845942 in words is "twenty-two million, eight hundred forty-five thousand, nine hundred forty-two".