222129099360 has 672 divisors, whose sum is σ = 904430463552. Its totient is φ = 50478059520.

The previous prime is 222129099317. The next prime is 222129099377. The reversal of 222129099360 is 63990921222.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 160845870 + ... + 160847250.

It is an arithmetic number, because the mean of its divisors is an integer number (1345878666).

Almost surely, 2^222129099360 is an apocalyptic number.

222129099360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222129099360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452215231776).

222129099360 is an abundant number, since it is smaller than the sum of its proper divisors (682301364192).

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

222129099360 is a wasteful number, since it uses less digits than its factorization.

222129099360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 222129099360 in words is "two hundred twenty-two billion, one hundred twenty-nine million, ninety-nine thousand, three hundred sixty".