222221001202002 has 160 divisors (see below), whose sum is σ = 544701568010688. Its totient is φ = 67154527440000.

The previous prime is 222221001201967. The next prime is 222221001202033. The reversal of 222221001202002 is 200202100122222.

222221001202002 is a `hidden beast` number, since 22 + 222 + 100 + 120 + 200 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2048802052 + ... + 2048910512.

Almost surely, 2^{222221001202002} is an apocalyptic number.

222221001202002 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 222221001202002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272350784005344).

222221001202002 is an abundant number, since it is smaller than the sum of its proper divisors (322480566808686).

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

222221001202002 is a wasteful number, since it uses less digits than its factorization.

222221001202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111638 (or 111629 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222221001202002 its reverse (200202100122222), we get a palindrome (422423101324224).

The spelling of 222221001202002 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one million, two hundred two thousand, two".