22422940 has 12 divisors (see below), whose sum is σ = 47088216. Its totient is φ = 8969168.

The previous prime is 22422937. The next prime is 22422943. The reversal of 22422940 is 4922422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22422937) and next prime (22422943).

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560554 + ... + 560593.

It is an arithmetic number, because the mean of its divisors is an integer number (3924018).

Almost surely, 2^22422940 is an apocalyptic number.

22422940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22422940 is an abundant number, since it is smaller than the sum of its proper divisors (24665276).

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

22422940 is a wasteful number, since it uses less digits than its factorization.

22422940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121156 (or 1121154 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 22422940 is about 4735.2866861469. The cubic root of 22422940 is about 281.9881456379.

The spelling of 22422940 in words is "twenty-two million, four hundred twenty-two thousand, nine hundred forty".