22572673 has 4 divisors (see below), whose sum is σ = 23123268. Its totient is φ = 22022080.

The previous prime is 22572659. The next prime is 22572677. The reversal of 22572673 is 37627522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4194304 + 18378369 = 2048^2 + 4287^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22572673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22572677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275236 + ... + 275317.

It is an arithmetic number, because the mean of its divisors is an integer number (5780817).

Almost surely, 2^22572673 is an apocalyptic number.

It is an amenable number.

22572673 is a deficient number, since it is larger than the sum of its proper divisors (550595).

22572673 is an equidigital number, since it uses as much as digits as its factorization.

22572673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550594.

The product of its digits is 35280, while the sum is 34.

The square root of 22572673 is about 4751.0707214269. The cubic root of 22572673 is about 282.6144282830.

The spelling of 22572673 in words is "twenty-two million, five hundred seventy-two thousand, six hundred seventy-three".