222444668879899 has 16 divisors (see below), whose sum is σ = 240904823677056. Its totient is φ = 204595233638400.

The previous prime is 222444668879893. The next prime is 222444668879911. The reversal of 222444668879899 is 998978866444222.

It is a cyclic number.

It is not a de Polignac number, because 222444668879899 - 2³ = 222444668879891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222444668879891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210064782 + ... + 211121059.

It is an arithmetic number, because the mean of its divisors is an integer number (15056551479816).

Almost surely, 2^{222444668879899} is an apocalyptic number.

222444668879899 is a deficient number, since it is larger than the sum of its proper divisors (18460154797157).

222444668879899 is a wasteful number, since it uses less digits than its factorization.

222444668879899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421186566.

The product of its digits is 48157949952, while the sum is 88.

The spelling of 222444668879899 in words is "two hundred twenty-two trillion, four hundred forty-four billion, six hundred sixty-eight million, eight hundred seventy-nine thousand, eight hundred ninety-nine".