2292261768 has 168 divisors, whose sum is σ = 6674896350. Its totient is φ = 737631360.

The previous prime is 2292261739. The next prime is 2292261773. The reversal of 2292261768 is 8671622922.

2292261768 is a `hidden beast` number, since 2 + 2 + 9 + 22 + 617 + 6 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1482404004 + 809857764 = 38502^2 + 28458^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 5604348 + ... + 5604756.

Almost surely, 2^2292261768 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 2292261768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3337448175).

2292261768 is an abundant number, since it is smaller than the sum of its proper divisors (4382634582).

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

2292261768 is an equidigital number, since it uses as much as digits as its factorization.

2292261768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 445 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 2292261768 is about 47877.5706150594. The cubic root of 2292261768 is about 1318.5240941910.

The spelling of 2292261768 in words is "two billion, two hundred ninety-two million, two hundred sixty-one thousand, seven hundred sixty-eight".