22132744 has 8 divisors (see below), whose sum is σ = 41498910. Its totient is φ = 11066368.

The previous prime is 22132711. The next prime is 22132757. The reversal of 22132744 is 44723122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11492100 + 10640644 = 3390^2 + 3262^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1383289 + ... + 1383304.

Almost surely, 2^22132744 is an apocalyptic number.

It is an amenable number.

22132744 is a deficient number, since it is larger than the sum of its proper divisors (19366166).

22132744 is a wasteful number, since it uses less digits than its factorization.

22132744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766599 (or 2766595 counting only the distinct ones).

The product of its digits is 2688, while the sum is 25.

The square root of 22132744 is about 4704.5450364515. The cubic root of 22132744 is about 280.7663698926.

Adding to 22132744 its reverse (44723122), we get a palindrome (66855866).

The spelling of 22132744 in words is "twenty-two million, one hundred thirty-two thousand, seven hundred forty-four".