22332542 has 4 divisors (see below), whose sum is σ = 33498816. Its totient is φ = 11166270.

The previous prime is 22332533. The next prime is 22332547. The reversal of 22332542 is 24523322.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22332547) 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 as a sum of consecutive naturals, namely, 5583134 + ... + 5583137.

It is an arithmetic number, because the mean of its divisors is an integer number (8374704).

Almost surely, 2^22332542 is an apocalyptic number.

22332542 is a deficient number, since it is larger than the sum of its proper divisors (11166274).

22332542 is a wasteful number, since it uses less digits than its factorization.

22332542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11166273.

The product of its digits is 2880, while the sum is 23.

The square root of 22332542 is about 4725.7319009863. The cubic root of 22332542 is about 281.6086905327.

Adding to 22332542 its reverse (24523322), we get a palindrome (46855864).

The spelling of 22332542 in words is "twenty-two million, three hundred thirty-two thousand, five hundred forty-two".