2257312100 has 36 divisors (see below), whose sum is σ = 5156180400. Its totient is φ = 855401760.

The previous prime is 2257312087. The next prime is 2257312103. The reversal of 2257312100 is 12137522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2257312103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 592130 + ... + 595929.

Almost surely, 2^2257312100 is an apocalyptic number.

2257312100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2257312100 is an abundant number, since it is smaller than the sum of its proper divisors (2898868300).

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

2257312100 is a wasteful number, since it uses less digits than its factorization.

2257312100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188092 (or 1188085 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2257312100 is about 47511.1786846001. The cubic root of 2257312100 is about 1311.7886527809.

Adding to 2257312100 its reverse (12137522), we get a palindrome (2269449622).

The spelling of 2257312100 in words is "two billion, two hundred fifty-seven million, three hundred twelve thousand, one hundred".