222945179622 has 64 divisors (see below), whose sum is σ = 495065260800. Its totient is φ = 66361057280.

The previous prime is 222945179591. The next prime is 222945179629. The reversal of 222945179622 is 226971549222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222945179629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4997158 + ... + 5041574.

It is an arithmetic number, because the mean of its divisors is an integer number (7735394700).

Almost surely, 2^222945179622 is an apocalyptic number.

222945179622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 222945179622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247532630400).

222945179622 is an abundant number, since it is smaller than the sum of its proper divisors (272120081178).

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

222945179622 is a wasteful number, since it uses less digits than its factorization.

222945179622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45781.

The product of its digits is 2177280, while the sum is 51.

The spelling of 222945179622 in words is "two hundred twenty-two billion, nine hundred forty-five million, one hundred seventy-nine thousand, six hundred twenty-two".