2270187840 has 224 divisors, whose sum is σ = 7406640000. Its totient is φ = 588931072.

The previous prime is 2270187827. The next prime is 2270187851. The reversal of 2270187840 is 487810722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8439226 + ... + 8439494.

Almost surely, 2^2270187840 is an apocalyptic number.

2270187840 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 2270187840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3703320000).

2270187840 is an abundant number, since it is smaller than the sum of its proper divisors (5136452160).

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

2270187840 is a wasteful number, since it uses less digits than its factorization.

2270187840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 2270187840 is about 47646.4882231629. The cubic root of 2270187840 is about 1314.2780791707.

The spelling of 2270187840 in words is "two billion, two hundred seventy million, one hundred eighty-seven thousand, eight hundred forty".