2202123204 has 72 divisors (see below), whose sum is σ = 5624426808. Its totient is φ = 726435840.

The previous prime is 2202123167. The next prime is 2202123229. The reversal of 2202123204 is 4023212022.

It can be written as a sum of positive squares in 4 ways, for example, as 665640000 + 1536483204 = 25800^2 + 39198^2 .

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

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, 2569144 + ... + 2570000.

It is an arithmetic number, because the mean of its divisors is an integer number (78117039).

Almost surely, 2^2202123204 is an apocalyptic number.

It is an amenable number.

2202123204 is an abundant number, since it is smaller than the sum of its proper divisors (3422303604).

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

2202123204 is a wasteful number, since it uses less digits than its factorization.

2202123204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525 (or 1520 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2202123204 is about 46926.7855707164. The cubic root of 2202123204 is about 1301.0097094417.

Adding to 2202123204 its reverse (4023212022), we get a palindrome (6225335226).

The spelling of 2202123204 in words is "two billion, two hundred two million, one hundred twenty-three thousand, two hundred four".