22454132 has 6 divisors (see below), whose sum is σ = 39294738. Its totient is φ = 11227064.

The previous prime is 22454123. The next prime is 22454147. The reversal of 22454132 is 23145422.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14182756 + 8271376 = 3766^2 + 2876^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22454098 and 22454107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2806763 + ... + 2806770.

It is an arithmetic number, because the mean of its divisors is an integer number (6549123).

Almost surely, 2^22454132 is an apocalyptic number.

It is an amenable number.

22454132 is a deficient number, since it is larger than the sum of its proper divisors (16840606).

22454132 is a wasteful number, since it uses less digits than its factorization.

22454132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5613537 (or 5613535 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 22454132 is about 4738.5791119280. The cubic root of 22454132 is about 282.1188406443.

Adding to 22454132 its reverse (23145422), we get a palindrome (45599554).

The spelling of 22454132 in words is "twenty-two million, four hundred fifty-four thousand, one hundred thirty-two".