22797942 has 16 divisors (see below), whose sum is σ = 46146240. Its totient is φ = 7507592.

The previous prime is 22797941. The next prime is 22797947. The reversal of 22797942 is 24979722.

It is a junction number, because it is equal to n+sod(n) for n = 22797894 and 22797903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22797941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22392 + ... + 23387.

It is an arithmetic number, because the mean of its divisors is an integer number (2884140).

Almost surely, 2^22797942 is an apocalyptic number.

22797942 is an abundant number, since it is smaller than the sum of its proper divisors (23348298).

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

22797942 is a wasteful number, since it uses less digits than its factorization.

22797942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45867.

The product of its digits is 127008, while the sum is 42.

The square root of 22797942 is about 4774.7190493264. The cubic root of 22797942 is about 283.5514558735.

The spelling of 22797942 in words is "twenty-two million, seven hundred ninety-seven thousand, nine hundred forty-two".