2259281232 has 360 divisors, whose sum is σ = 7476378624. Its totient is φ = 634023936.

The previous prime is 2259281231. The next prime is 2259281303. The reversal of 2259281232 is 2321829522.

2259281232 is a `hidden beast` number, since 22 + 592 + 8 + 12 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2259281231) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17789553 + ... + 17789679.

Almost surely, 2^2259281232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2259281232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3738189312).

2259281232 is an abundant number, since it is smaller than the sum of its proper divisors (5217097392).

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

2259281232 is a wasteful number, since it uses less digits than its factorization.

2259281232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 205 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2259281232 is about 47531.8969955965. The cubic root of 2259281232 is about 1312.1699815705.

The spelling of 2259281232 in words is "two billion, two hundred fifty-nine million, two hundred eighty-one thousand, two hundred thirty-two".