22957553 has 4 divisors (see below), whose sum is σ = 23047140. Its totient is φ = 22867968.

The previous prime is 22957541. The next prime is 22957559. The reversal of 22957553 is 35575922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35575922 = 2 ⋅17787961.

It can be written as a sum of positive squares in 2 ways, for example, as 21827584 + 1129969 = 4672^2 + 1063^2 .

It is a cyclic number.

It is not a de Polignac number, because 22957553 - 2¹⁴ = 22941169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22957559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44408 + ... + 44921.

It is an arithmetic number, because the mean of its divisors is an integer number (5761785).

Almost surely, 2^22957553 is an apocalyptic number.

It is an amenable number.

22957553 is a deficient number, since it is larger than the sum of its proper divisors (89587).

22957553 is an equidigital number, since it uses as much as digits as its factorization.

22957553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89586.

The product of its digits is 94500, while the sum is 38.

The square root of 22957553 is about 4791.4040739641. The cubic root of 22957553 is about 284.2116429739.

The spelling of 22957553 in words is "twenty-two million, nine hundred fifty-seven thousand, five hundred fifty-three".