222122889942 has 128 divisors (see below), whose sum is σ = 517104000000. Its totient is φ = 63199825920.

The previous prime is 222122889941. The next prime is 222122889949. The reversal of 222122889942 is 249988221222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222122889941) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3081934 + ... + 3153182.

It is an arithmetic number, because the mean of its divisors is an integer number (4039875000).

Almost surely, 2^222122889942 is an apocalyptic number.

222122889942 is an abundant number, since it is smaller than the sum of its proper divisors (294981110058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222122889942 is a wasteful number, since it uses less digits than its factorization.

222122889942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71366.

The product of its digits is 1327104, while the sum is 51.

The spelling of 222122889942 in words is "two hundred twenty-two billion, one hundred twenty-two million, eight hundred eighty-nine thousand, nine hundred forty-two".