22352672 has 12 divisors (see below), whose sum is σ = 44006886. Its totient is φ = 11176320.

The previous prime is 22352663. The next prime is 22352689. The reversal of 22352672 is 27625322.

It can be written as a sum of positive squares in only one way, i.e., 12138256 + 10214416 = 3484^2 + 3196^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349229 + ... + 349292.

Almost surely, 2^22352672 is an apocalyptic number.

It is an amenable number.

22352672 is a deficient number, since it is larger than the sum of its proper divisors (21654214).

22352672 is an equidigital number, since it uses as much as digits as its factorization.

22352672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698531 (or 698523 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 22352672 is about 4727.8612500792. The cubic root of 22352672 is about 281.6932768218.

Adding to 22352672 its reverse (27625322), we get a palindrome (49977994).

The spelling of 22352672 in words is "twenty-two million, three hundred fifty-two thousand, six hundred seventy-two".