22628953 has 4 divisors (see below), whose sum is σ = 22689040. Its totient is φ = 22568868.

The previous prime is 22628951. The next prime is 22628971. The reversal of 22628953 is 35982622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22628953 - 2¹ = 22628951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22628951) 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, 29475 + ... + 30232.

It is an arithmetic number, because the mean of its divisors is an integer number (5672260).

Almost surely, 2^22628953 is an apocalyptic number.

It is an amenable number.

22628953 is a deficient number, since it is larger than the sum of its proper divisors (60087).

22628953 is an equidigital number, since it uses as much as digits as its factorization.

22628953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60086.

The product of its digits is 51840, while the sum is 37.

The square root of 22628953 is about 4756.9899095962. The cubic root of 22628953 is about 282.8491123383.

The spelling of 22628953 in words is "twenty-two million, six hundred twenty-eight thousand, nine hundred fifty-three".