22733142 has 16 divisors (see below), whose sum is σ = 45669312. Its totient is φ = 7543880.

The previous prime is 22733099. The next prime is 22733143. The reversal of 22733142 is 24133722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22733143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6984 + ... + 9707.

It is an arithmetic number, because the mean of its divisors is an integer number (2854332).

Almost surely, 2^22733142 is an apocalyptic number.

22733142 is an abundant number, since it is smaller than the sum of its proper divisors (22936170).

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

22733142 is a wasteful number, since it uses less digits than its factorization.

22733142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16923.

The product of its digits is 2016, while the sum is 24.

The square root of 22733142 is about 4767.9284810072. The cubic root of 22733142 is about 283.2825489911.

Adding to 22733142 its reverse (24133722), we get a palindrome (46866864).

The spelling of 22733142 in words is "twenty-two million, seven hundred thirty-three thousand, one hundred forty-two".