22132842 has 16 divisors (see below), whose sum is σ = 44387040. Its totient is φ = 7357392.

The previous prime is 22132811. The next prime is 22132871. The reversal of 22132842 is 24823122.

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, 2593 + ... + 7140.

It is an arithmetic number, because the mean of its divisors is an integer number (2774190).

Almost surely, 2^22132842 is an apocalyptic number.

22132842 is an abundant number, since it is smaller than the sum of its proper divisors (22254198).

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

22132842 is a wasteful number, since it uses less digits than its factorization.

22132842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10117.

The product of its digits is 1536, while the sum is 24.

The square root of 22132842 is about 4704.5554518998. Note that the first 3 decimals coincide. The cubic root of 22132842 is about 280.7667842871.

Adding to 22132842 its reverse (24823122), we get a palindrome (46955964).

The spelling of 22132842 in words is "twenty-two million, one hundred thirty-two thousand, eight hundred forty-two".