222539474918 has 16 divisors (see below), whose sum is σ = 341623941120. Its totient is φ = 108665611656.

The previous prime is 222539474891. The next prime is 222539474921. The reversal of 222539474918 is 819474935222.

It is a super-2 number, since 2×222539474918² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 385271 + ... + 770397.

It is an arithmetic number, because the mean of its divisors is an integer number (21351496320).

Almost surely, 2^222539474918 is an apocalyptic number.

222539474918 is a deficient number, since it is larger than the sum of its proper divisors (119084466202).

222539474918 is a wasteful number, since it uses less digits than its factorization.

222539474918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391891.

The product of its digits is 8709120, while the sum is 56.

The spelling of 222539474918 in words is "two hundred twenty-two billion, five hundred thirty-nine million, four hundred seventy-four thousand, nine hundred eighteen".