22590794509 has 4 divisors (see below), whose sum is σ = 22591587040. Its totient is φ = 22590001980.

The previous prime is 22590794497. The next prime is 22590794521. The reversal of 22590794509 is 90549709522.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90549709522 = 2 ⋅45274854761.

It is an interprime number because it is at equal distance from previous prime (22590794497) and next prime (22590794521).

It is a cyclic number.

It is not a de Polignac number, because 22590794509 - 2¹⁵ = 22590761741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22590794599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351849 + ... + 411070.

It is an arithmetic number, because the mean of its divisors is an integer number (5647896760).

Almost surely, 2^22590794509 is an apocalyptic number.

It is an amenable number.

22590794509 is a deficient number, since it is larger than the sum of its proper divisors (792531).

22590794509 is an equidigital number, since it uses as much as digits as its factorization.

22590794509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792530.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The spelling of 22590794509 in words is "twenty-two billion, five hundred ninety million, seven hundred ninety-four thousand, five hundred nine".