2257199424 has 84 divisors (see below), whose sum is σ = 6476939040. Its totient is φ = 751576320.

The previous prime is 2257199407. The next prime is 2257199437. The reversal of 2257199424 is 4249917522.

It is a self number, because there is not a number n which added to its sum of digits gives 2257199424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 758259 + ... + 761229.

Almost surely, 2^2257199424 is an apocalyptic number.

2257199424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2257199424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3238469520).

2257199424 is an abundant number, since it is smaller than the sum of its proper divisors (4219739616).

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

2257199424 is a wasteful number, since it uses less digits than its factorization.

2257199424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308 (or 4295 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 2257199424 is about 47509.9928857077. The cubic root of 2257199424 is about 1311.7668260018.

The spelling of 2257199424 in words is "two billion, two hundred fifty-seven million, one hundred ninety-nine thousand, four hundred twenty-four".