22520793 has 4 divisors (see below), whose sum is σ = 30027728. Its totient is φ = 15013860.

The previous prime is 22520789. The next prime is 22520803. The reversal of 22520793 is 39702522.

It is a happy number.

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 not a de Polignac number, because 22520793 - 2² = 22520789 is a prime.

It is a super-2 number, since 2×22520793² = 1014372234697698, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22520793.

It is not an unprimeable number, because it can be changed into a prime (22520723) 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, 3753463 + ... + 3753468.

It is an arithmetic number, because the mean of its divisors is an integer number (7506932).

Almost surely, 2^22520793 is an apocalyptic number.

It is an amenable number.

22520793 is a deficient number, since it is larger than the sum of its proper divisors (7506935).

22520793 is an equidigital number, since it uses as much as digits as its factorization.

22520793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7506934.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 22520793 is about 4745.6077587597. The cubic root of 22520793 is about 282.3977461654.

The spelling of 22520793 in words is "twenty-two million, five hundred twenty thousand, seven hundred ninety-three".