64222184979 has 12 divisors (see below), whose sum is σ = 98222165496. Its totient is φ = 40296272832.

The previous prime is 64222184963. The next prime is 64222184989. The reversal of 64222184979 is 97948122246.

It is a happy number.

It is not a de Polignac number, because 64222184979 - 2⁴ = 64222184963 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (64222184959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209876269 + ... + 209876574.

It is an arithmetic number, because the mean of its divisors is an integer number (8185180458).

Almost surely, 2^64222184979 is an apocalyptic number.

64222184979 is a deficient number, since it is larger than the sum of its proper divisors (33999980517).

64222184979 is a wasteful number, since it uses less digits than its factorization.

64222184979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419752866 (or 419752863 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 64222184979 in words is "sixty-four billion, two hundred twenty-two million, one hundred eighty-four thousand, nine hundred seventy-nine".