5644224465 has 16 divisors (see below), whose sum is σ = 9851737536. Its totient is φ = 2736593600.

The previous prime is 5644224433. The next prime is 5644224563.

5644224465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5644224465 - 2⁵ = 5644224433 is a prime.

It is a super-2 number, since 2×5644224465² = 63714539622609072450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17103546 + ... + 17103875.

It is an arithmetic number, because the mean of its divisors is an integer number (615733596).

Almost surely, 2^5644224465 is an apocalyptic number.

5644224465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5644224465 is a deficient number, since it is larger than the sum of its proper divisors (4207513071).

5644224465 is a wasteful number, since it uses less digits than its factorization.

5644224465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34207440.

The product of its digits is 921600, while the sum is 42.

The square root of 5644224465 is about 75128.0537815269. The cubic root of 5644224465 is about 1780.4704039117.

The spelling of 5644224465 in words is "five billion, six hundred forty-four million, two hundred twenty-four thousand, four hundred sixty-five".