2201312904 has 32 divisors (see below), whose sum is σ = 6289465920. Its totient is φ = 628946496.

The previous prime is 2201312903. The next prime is 2201312909. The reversal of 2201312904 is 4092131022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2201312903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6551359 + ... + 6551694.

It is an arithmetic number, because the mean of its divisors is an integer number (196545810).

Almost surely, 2^2201312904 is an apocalyptic number.

2201312904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2201312904 is an abundant number, since it is smaller than the sum of its proper divisors (4088153016).

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

2201312904 is a wasteful number, since it uses less digits than its factorization.

2201312904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13103069 (or 13103065 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2201312904 is about 46918.1511144674. The cubic root of 2201312904 is about 1300.8501153591.

Adding to 2201312904 its reverse (4092131022), we get a palindrome (6293443926).

The spelling of 2201312904 in words is "two billion, two hundred one million, three hundred twelve thousand, nine hundred four".