2220122004 has 48 divisors (see below), whose sum is σ = 5562297216. Its totient is φ = 686694400.

The previous prime is 2220121991. The next prime is 2220122011. The reversal of 2220122004 is 4002210222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62157 + ... + 91124.

It is an arithmetic number, because the mean of its divisors is an integer number (115881192).

Almost surely, 2^2220122004 is an apocalyptic number.

It is an amenable number.

2220122004 is an abundant number, since it is smaller than the sum of its proper divisors (3342175212).

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

2220122004 is a wasteful number, since it uses less digits than its factorization.

2220122004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153376 (or 153374 counting only the distinct ones).

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

The square root of 2220122004 is about 47118.1706351170. The cubic root of 2220122004 is about 1304.5446469925.

Adding to 2220122004 its reverse (4002210222), we get a palindrome (6222332226).

The spelling of 2220122004 in words is "two billion, two hundred twenty million, one hundred twenty-two thousand, four".