2261855250 has 48 divisors (see below), whose sum is σ = 6116062680. Its totient is φ = 603160800.

The previous prime is 2261855249. The next prime is 2261855269. The reversal of 2261855250 is 525581622.

It is a happy number.

2261855250 is a `hidden beast` number, since 226 + 185 + 5 + 250 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 712409481 + 1549445769 = 26691^2 + 39363^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 500385 + ... + 504884.

Almost surely, 2^2261855250 is an apocalyptic number.

2261855250 is an abundant number, since it is smaller than the sum of its proper divisors (3854207430).

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

2261855250 is a wasteful number, since it uses less digits than its factorization.

2261855250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005292 (or 1005279 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 2261855250 is about 47558.9660316538. The cubic root of 2261855250 is about 1312.6681145202.

The spelling of 2261855250 in words is "two billion, two hundred sixty-one million, eight hundred fifty-five thousand, two hundred fifty".