22365456487 has 4 divisors (see below), whose sum is σ = 24398679816. Its totient is φ = 20332233160.

The previous prime is 22365456481. The next prime is 22365456493. The reversal of 22365456487 is 78465456322.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22365456481) and next prime (22365456493).

It is a cyclic number.

It is not a de Polignac number, because 22365456487 - 2²³ = 22357067879 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 (22365456481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016611648 + ... + 1016611669.

It is an arithmetic number, because the mean of its divisors is an integer number (6099669954).

Almost surely, 2^22365456487 is an apocalyptic number.

22365456487 is a deficient number, since it is larger than the sum of its proper divisors (2033223329).

22365456487 is a wasteful number, since it uses less digits than its factorization.

22365456487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033223328.

The product of its digits is 9676800, while the sum is 52.

The spelling of 22365456487 in words is "twenty-two billion, three hundred sixty-five million, four hundred fifty-six thousand, four hundred eighty-seven".