222200022120 has 64 divisors (see below), whose sum is σ = 667053757440. Its totient is φ = 59213011200.

The previous prime is 222200022097. The next prime is 222200022131. The reversal of 222200022120 is 21220002222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 222200022120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452871 + ... + 805910.

It is an arithmetic number, because the mean of its divisors is an integer number (10422714960).

Almost surely, 2^222200022120 is an apocalyptic number.

222200022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222200022120 is an abundant number, since it is smaller than the sum of its proper divisors (444853735320).

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

222200022120 is a wasteful number, since it uses less digits than its factorization.

222200022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260266 (or 1260262 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 222200022120 its reverse (21220002222), we get a palindrome (243420024342).

The spelling of 222200022120 in words is "two hundred twenty-two billion, two hundred million, twenty-two thousand, one hundred twenty".