222202120010220 has 144 divisors (see below), whose sum is σ = 778241927281728. Its totient is φ = 50265457459200.

The previous prime is 222202120010207. The next prime is 222202120010231. The reversal of 222202120010220 is 22010021202222.

222202120010220 is a `hidden beast` number, since 2 + 2 + 220 + 21 + 200 + 1 + 0 + 220 = 666.

It is a super-2 number, since 2×222202120010220² (a number of 29 digits) contains 22 as substring.

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 = 222202120010193 and 222202120010202.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 908902981 + ... + 909147420.

Almost surely, 2^{222202120010220} is an apocalyptic number.

222202120010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222202120010220 is an abundant number, since it is smaller than the sum of its proper divisors (556039807271508).

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

222202120010220 is a wasteful number, since it uses less digits than its factorization.

222202120010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818050520 (or 1818050515 counting only the distinct ones).

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

Adding to 222202120010220 its reverse (22010021202222), we get a palindrome (244212141212442).

The spelling of 222202120010220 in words is "two hundred twenty-two trillion, two hundred two billion, one hundred twenty million, ten thousand, two hundred twenty".