22573328 has 10 divisors (see below), whose sum is σ = 43735854. Its totient is φ = 11286656.

The previous prime is 22573321. The next prime is 22573333. The reversal of 22573328 is 82337522.

It can be written as a sum of positive squares in only one way, i.e., 21977344 + 595984 = 4688^2 + 772^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22573294 and 22573303.

It is not an unprimeable number, because it can be changed into a prime (22573321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705401 + ... + 705432.

Almost surely, 2^22573328 is an apocalyptic number.

It is an amenable number.

22573328 is a deficient number, since it is larger than the sum of its proper divisors (21162526).

22573328 is a wasteful number, since it uses less digits than its factorization.

22573328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410841 (or 1410835 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 22573328 is about 4751.1396527570. The cubic root of 22573328 is about 282.6171618340.

The spelling of 22573328 in words is "twenty-two million, five hundred seventy-three thousand, three hundred twenty-eight".