2258291178 has 160 divisors (see below), whose sum is σ = 6033025152. Its totient is φ = 622339200.

The previous prime is 2258291177. The next prime is 2258291183. The reversal of 2258291178 is 8711928522.

2258291178 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2258291173) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1644100 + ... + 1645472.

Almost surely, 2^2258291178 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2258291178, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3016512576).

2258291178 is an abundant number, since it is smaller than the sum of its proper divisors (3774733974).

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

2258291178 is a wasteful number, since it uses less digits than its factorization.

2258291178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482 (or 1473 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 2258291178 is about 47521.4812269146. The cubic root of 2258291178 is about 1311.9782821143.

The spelling of 2258291178 in words is "two billion, two hundred fifty-eight million, two hundred ninety-one thousand, one hundred seventy-eight".