22422942 has 12 divisors (see below), whose sum is σ = 48583080. Its totient is φ = 7474308.

The previous prime is 22422937. The next prime is 22422943. The reversal of 22422942 is 24922422.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22422943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 622842 + ... + 622877.

It is an arithmetic number, because the mean of its divisors is an integer number (4048590).

Almost surely, 2^22422942 is an apocalyptic number.

22422942 is an abundant number, since it is smaller than the sum of its proper divisors (26160138).

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

22422942 is a wasteful number, since it uses less digits than its factorization.

22422942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245727 (or 1245724 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 22422942 is about 4735.2868973273. The cubic root of 22422942 is about 281.9881540218.

It can be divided in two parts, 2242 and 2942, that added together give a square (5184 = 72²).

The spelling of 22422942 in words is "twenty-two million, four hundred twenty-two thousand, nine hundred forty-two".