22909942 has 32 divisors (see below), whose sum is σ = 39204000. Its totient is φ = 9945600.

The previous prime is 22909891. The next prime is 22909949. The reversal of 22909942 is 24990922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22909949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94942 + ... + 95182.

It is an arithmetic number, because the mean of its divisors is an integer number (1225125).

Almost surely, 2^22909942 is an apocalyptic number.

22909942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22909942 is a deficient number, since it is larger than the sum of its proper divisors (16294058).

22909942 is a wasteful number, since it uses less digits than its factorization.

22909942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 22909942 is about 4786.4331187221. The cubic root of 22909942 is about 284.0150342501.

The spelling of 22909942 in words is "twenty-two million, nine hundred nine thousand, nine hundred forty-two".