2261292988 has 12 divisors (see below), whose sum is σ = 3959323480. Its totient is φ = 1130057712.

The previous prime is 2261292983. The next prime is 2261292991. The reversal of 2261292988 is 8892921622.

2261292988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2261292988² = 10226891955155936288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261292983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138498 + ... + 153961.

Almost surely, 2^2261292988 is an apocalyptic number.

It is an amenable number.

2261292988 is a deficient number, since it is larger than the sum of its proper divisors (1698030492).

2261292988 is a wasteful number, since it uses less digits than its factorization.

2261292988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294396 (or 294394 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The square root of 2261292988 is about 47553.0544549979. The cubic root of 2261292988 is about 1312.5593358874.

It can be divided in two parts, 22612 and 92988, that added together give a square (115600 = 340²).

The spelling of 2261292988 in words is "two billion, two hundred sixty-one million, two hundred ninety-two thousand, nine hundred eighty-eight".