22224487465 has 8 divisors (see below), whose sum is σ = 26839254600. Its totient is φ = 17666343552.

The previous prime is 22224487459. The next prime is 22224487489. The reversal of 22224487465 is 56478442222.

It can be written as a sum of positive squares in 4 ways, for example, as 2479741209 + 19744746256 = 49797^2 + 140516^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22224487465 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, 14154940 + ... + 14156509.

It is an arithmetic number, because the mean of its divisors is an integer number (3354906825).

Almost surely, 2^22224487465 is an apocalyptic number.

It is an amenable number.

22224487465 is a deficient number, since it is larger than the sum of its proper divisors (4614767135).

22224487465 is a wasteful number, since it uses less digits than its factorization.

22224487465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28311611.

The product of its digits is 1720320, while the sum is 46.

The spelling of 22224487465 in words is "twenty-two billion, two hundred twenty-four million, four hundred eighty-seven thousand, four hundred sixty-five".