22278402412963 has 4 divisors (see below), whose sum is σ = 22278461496928. Its totient is φ = 22278343329000.

The previous prime is 22278402412939. The next prime is 22278402412991. The reversal of 22278402412963 is 36921420487222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22278402412963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22278402412963.

It is not an unprimeable number, because it can be changed into a prime (22278402412933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28972731 + ... + 29731732.

It is an arithmetic number, because the mean of its divisors is an integer number (5569615374232).

Almost surely, 2^{22278402412963} is an apocalyptic number.

22278402412963 is a deficient number, since it is larger than the sum of its proper divisors (59083965).

22278402412963 is an equidigital number, since it uses as much as digits as its factorization.

22278402412963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59083964.

The product of its (nonzero) digits is 4644864, while the sum is 52.

The spelling of 22278402412963 in words is "twenty-two trillion, two hundred seventy-eight billion, four hundred two million, four hundred twelve thousand, nine hundred sixty-three".