2202220022220 has 72 divisors (see below), whose sum is σ = 6860609783664. Its totient is φ = 571386814848.

The previous prime is 2202220022173. The next prime is 2202220022231. The reversal of 2202220022220 is 222200222022.

2202220022220 is a `hidden beast` number, since 2 + 202 + 220 + 0 + 22 + 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 = 2202220022193 and 2202220022202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165325174 + ... + 165338493.

Almost surely, 2^{2202220022220} is an apocalyptic number.

2202220022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202220022220 is an abundant number, since it is smaller than the sum of its proper divisors (4658389761444).

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

2202220022220 is a wasteful number, since it uses less digits than its factorization.

2202220022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330663719 (or 330663714 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 2202220022220 its reverse (222200222022), we get a palindrome (2424420244242).

The spelling of 2202220022220 in words is "two trillion, two hundred two billion, two hundred twenty million, twenty-two thousand, two hundred twenty".