22747382465 has 4 divisors (see below), whose sum is σ = 27296858964. Its totient is φ = 18197905968.

The previous prime is 22747382443. The next prime is 22747382473. The reversal of 22747382465 is 56428374722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56428374722 = 2 ⋅28214187361.

It can be written as a sum of positive squares in 2 ways, for example, as 10727987776 + 12019394689 = 103576^2 + 109633^2 .

It is a cyclic number.

It is not a de Polignac number, because 22747382465 - 2²⁸ = 22478947009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2274738242 + ... + 2274738251.

It is an arithmetic number, because the mean of its divisors is an integer number (6824214741).

Almost surely, 2^22747382465 is an apocalyptic number.

It is an amenable number.

22747382465 is a deficient number, since it is larger than the sum of its proper divisors (4549476499).

22747382465 is an equidigital number, since it uses as much as digits as its factorization.

22747382465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549476498.

The product of its digits is 4515840, while the sum is 50.

The spelling of 22747382465 in words is "twenty-two billion, seven hundred forty-seven million, three hundred eighty-two thousand, four hundred sixty-five".