22513700465 has 8 divisors (see below), whose sum is σ = 27063266280. Its totient is φ = 17979743232.

The previous prime is 22513700411. The next prime is 22513700497. The reversal of 22513700465 is 56400731522.

It can be written as a sum of positive squares in 4 ways, for example, as 11066198416 + 11447502049 = 105196^2 + 106993^2 .

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 22513700465 - 2¹⁰ = 22513699441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3898970 + ... + 3904739.

It is an arithmetic number, because the mean of its divisors is an integer number (3382908285).

Almost surely, 2^22513700465 is an apocalyptic number.

It is an amenable number.

22513700465 is a deficient number, since it is larger than the sum of its proper divisors (4549565815).

22513700465 is an equidigital number, since it uses as much as digits as its factorization.

22513700465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7804291.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 22513700465 in words is "twenty-two billion, five hundred thirteen million, seven hundred thousand, four hundred sixty-five".