22672057 has 8 divisors (see below), whose sum is σ = 23288832. Its totient is φ = 22058400.

The previous prime is 22672049. The next prime is 22672081. The reversal of 22672057 is 75027622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22672057 - 2³ = 22672049 is a prime.

It is a super-2 number, since 2×22672057² = 1028044337222498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22672007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24432 + ... + 25342.

It is an arithmetic number, because the mean of its divisors is an integer number (2911104).

Almost surely, 2^22672057 is an apocalyptic number.

It is an amenable number.

22672057 is a deficient number, since it is larger than the sum of its proper divisors (616775).

22672057 is an equidigital number, since it uses as much as digits as its factorization.

22672057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 22672057 is about 4761.5183502744. The cubic root of 22672057 is about 283.0285903016.

Adding to 22672057 its reverse (75027622), we get a palindrome (97699679).

The spelling of 22672057 in words is "twenty-two million, six hundred seventy-two thousand, fifty-seven".