2102220204 has 48 divisors (see below), whose sum is σ = 5935684608. Its totient is φ = 565302528.

The previous prime is 2102220203. The next prime is 2102220227. The reversal of 2102220204 is 4020222012.

It is a super-2 number, since 2×2102220204² = 8838659572211603232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2102220203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734644 + ... + 737499.

It is an arithmetic number, because the mean of its divisors is an integer number (123660096).

Almost surely, 2^2102220204 is an apocalyptic number.

It is an amenable number.

2102220204 is an abundant number, since it is smaller than the sum of its proper divisors (3833464404).

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

2102220204 is a wasteful number, since it uses less digits than its factorization.

2102220204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472174 (or 1472172 counting only the distinct ones).

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

The square root of 2102220204 is about 45849.9749618252. The cubic root of 2102220204 is about 1281.0302992112.

Adding to 2102220204 its reverse (4020222012), we get a palindrome (6122442216).

The spelling of 2102220204 in words is "two billion, one hundred two million, two hundred twenty thousand, two hundred four".