2291357250 has 576 divisors, whose sum is σ = 8307726336. Its totient is φ = 443232000.

The previous prime is 2291357249. The next prime is 2291357273. The reversal of 2291357250 is 527531922.

2291357250 is a `hidden beast` number, since 2 + 29 + 13 + 572 + 50 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 73914735 + ... + 73914765.

It is an arithmetic number, because the mean of its divisors is an integer number (14423136).

Almost surely, 2^2291357250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2291357250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4153863168).

2291357250 is an abundant number, since it is smaller than the sum of its proper divisors (6016369086).

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

2291357250 is a wasteful number, since it uses less digits than its factorization.

2291357250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 2291357250 is about 47868.1235270404. The cubic root of 2291357250 is about 1318.3506431339.

The spelling of 2291357250 in words is "two billion, two hundred ninety-one million, three hundred fifty-seven thousand, two hundred fifty".