222200201021220 has 96 divisors (see below), whose sum is σ = 696566533703040. Its totient is φ = 58801070989440.

The previous prime is 222200201021213. The next prime is 222200201021231. The reversal of 222200201021220 is 22120102002222.

222200201021220 is a `hidden beast` number, since 2 + 2 + 220 + 0 + 201 + 0 + 21 + 220 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 222200201021193 and 222200201021202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1570470687 + ... + 1570612166.

It is an arithmetic number, because the mean of its divisors is an integer number (7255901392740).

Almost surely, 2^{222200201021220} is an apocalyptic number.

222200201021220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222200201021220 is an abundant number, since it is smaller than the sum of its proper divisors (474366332681820).

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

222200201021220 is a wasteful number, since it uses less digits than its factorization.

222200201021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141083002 (or 3141082994 counting only the distinct ones).

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

Adding to 222200201021220 its reverse (22120102002222), we get a palindrome (244320303023442).

The spelling of 222200201021220 in words is "two hundred twenty-two trillion, two hundred billion, two hundred one million, twenty-one thousand, two hundred twenty".