2113322004 has 18 divisors (see below), whose sum is σ = 5342008490. Its totient is φ = 704440656.

The previous prime is 2113321961. The next prime is 2113322021. The reversal of 2113322004 is 4002233112.

It can be written as a sum of positive squares in only one way, i.e., 1192320900 + 921001104 = 34530^2 + 30348^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2113322004² = 8932259785181152032, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29351659 + ... + 29351730.

Almost surely, 2^2113322004 is an apocalyptic number.

It is an amenable number.

2113322004 is an abundant number, since it is smaller than the sum of its proper divisors (3228686486).

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

2113322004 is a wasteful number, since it uses less digits than its factorization.

2113322004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58703399 (or 58703394 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2113322004 is about 45970.8821320627. The cubic root of 2113322004 is about 1283.2813764914.

Adding to 2113322004 its reverse (4002233112), we get a palindrome (6115555116).

The spelling of 2113322004 in words is "two billion, one hundred thirteen million, three hundred twenty-two thousand, four".