2257501420 has 48 divisors (see below), whose sum is σ = 4830503328. Its totient is φ = 885980160.

The previous prime is 2257501409. The next prime is 2257501423. The reversal of 2257501420 is 241057522.

It is a super-2 number, since 2×2257501420² = 10192625322604032800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2257501423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538372 + ... + 542548.

It is an arithmetic number, because the mean of its divisors is an integer number (100635486).

Almost surely, 2^2257501420 is an apocalyptic number.

2257501420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2257501420 is an abundant number, since it is smaller than the sum of its proper divisors (2573001908).

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

2257501420 is a wasteful number, since it uses less digits than its factorization.

2257501420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4690 (or 4688 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 2257501420 is about 47513.1710160456. The cubic root of 2257501420 is about 1311.8253248455.

Adding to 2257501420 its reverse (241057522), we get a palindrome (2498558942).

The spelling of 2257501420 in words is "two billion, two hundred fifty-seven million, five hundred one thousand, four hundred twenty".