22332442 has 16 divisors (see below), whose sum is σ = 36836352. Its totient is φ = 10069920.

The previous prime is 22332439. The next prime is 22332461. The reversal of 22332442 is 24423322.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203 + ... + 6790.

It is an arithmetic number, because the mean of its divisors is an integer number (2302272).

Almost surely, 2^22332442 is an apocalyptic number.

22332442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22332442 is a deficient number, since it is larger than the sum of its proper divisors (14503910).

22332442 is a wasteful number, since it uses less digits than its factorization.

22332442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8133.

The product of its digits is 2304, while the sum is 22.

The square root of 22332442 is about 4725.7213206028. The cubic root of 22332442 is about 281.6082702057.

Adding to 22332442 its reverse (24423322), we get a palindrome (46755764).

The spelling of 22332442 in words is "twenty-two million, three hundred thirty-two thousand, four hundred forty-two".