222198241972 has 24 divisors (see below), whose sum is σ = 444566183040. Its totient is φ = 95191453920.

The previous prime is 222198241963. The next prime is 222198241973. The reversal of 222198241972 is 279142891222.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222198241973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1440472 + ... + 1587247.

It is an arithmetic number, because the mean of its divisors is an integer number (18523590960).

Almost surely, 2^222198241972 is an apocalyptic number.

It is an amenable number.

222198241972 is an abundant number, since it is smaller than the sum of its proper divisors (222367941068).

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

222198241972 is a wasteful number, since it uses less digits than its factorization.

222198241972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030351 (or 3030349 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

It can be divided in two parts, 22219824 and 1972, that added together give a square (22221796 = 4714²).

The spelling of 222198241972 in words is "two hundred twenty-two billion, one hundred ninety-eight million, two hundred forty-one thousand, nine hundred seventy-two".