22057523 has 8 divisors (see below), whose sum is σ = 23255040. Its totient is φ = 20890440.

The previous prime is 22057507. The next prime is 22057531. The reversal of 22057523 is 32575022.

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 22057523 - 2⁴ = 22057507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22057492 and 22057501.

It is not an unprimeable number, because it can be changed into a prime (22057543) 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, 6113 + ... + 9026.

It is an arithmetic number, because the mean of its divisors is an integer number (2906880).

Almost surely, 2^22057523 is an apocalyptic number.

22057523 is a deficient number, since it is larger than the sum of its proper divisors (1197517).

22057523 is a wasteful number, since it uses less digits than its factorization.

22057523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15217.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 22057523 is about 4696.5437291694. The cubic root of 22057523 is about 280.4479352360.

The spelling of 22057523 in words is "twenty-two million, fifty-seven thousand, five hundred twenty-three".