22332042 has 12 divisors (see below), whose sum is σ = 48386130. Its totient is φ = 7444008.

The previous prime is 22332041. The next prime is 22332043. The reversal of 22332042 is 24023322.

It is an interprime number because it is at equal distance from previous prime (22332041) and next prime (22332043).

It can be written as a sum of positive squares in only one way, i.e., 21427641 + 904401 = 4629^2 + 951^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1240669 = 22332042 / (2 + 2 + 3 + 3 + 2 + 0 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (22332041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 620317 + ... + 620352.

Almost surely, 2^22332042 is an apocalyptic number.

22332042 is an abundant number, since it is smaller than the sum of its proper divisors (26054088).

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

22332042 is a wasteful number, since it uses less digits than its factorization.

22332042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240677 (or 1240674 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 22332042 is about 4725.6789988318. The cubic root of 22332042 is about 281.6065888852.

Adding to 22332042 its reverse (24023322), we get a palindrome (46355364).

The spelling of 22332042 in words is "twenty-two million, three hundred thirty-two thousand, forty-two".