2257662260 has 108 divisors (see below), whose sum is σ = 5606159076. Its totient is φ = 761483520.

The previous prime is 2257662259. The next prime is 2257662287. The reversal of 2257662260 is 622667522.

It can be written as a sum of positive squares in 2 ways, for example, as 1426723984 + 830938276 = 37772^2 + 28826^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4939952 + ... + 4940408.

Almost surely, 2^2257662260 is an apocalyptic number.

2257662260 is a gapful number since it is divisible by the number (20) 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 2257662260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2803079538).

2257662260 is an abundant number, since it is smaller than the sum of its proper divisors (3348496816).

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

2257662260 is a wasteful number, since it uses less digits than its factorization.

2257662260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 2257662260 is about 47514.8635692033. The cubic root of 2257662260 is about 1311.8564786058.

The spelling of 2257662260 in words is "two billion, two hundred fifty-seven million, six hundred sixty-two thousand, two hundred sixty".