22401942 has 16 divisors (see below), whose sum is σ = 44884992. Its totient is φ = 7453800.

The previous prime is 22401889. The next prime is 22401947. The reversal of 22401942 is 24910422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22401947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567 + ... + 6717.

It is an arithmetic number, because the mean of its divisors is an integer number (2805312).

Almost surely, 2^22401942 is an apocalyptic number.

22401942 is an abundant number, since it is smaller than the sum of its proper divisors (22483050).

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

22401942 is a wasteful number, since it uses less digits than its factorization.

22401942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6763.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22401942 is about 4733.0689832285. The cubic root of 22401942 is about 281.9000953889.

The spelling of 22401942 in words is "twenty-two million, four hundred one thousand, nine hundred forty-two".