2249802901 has 12 divisors (see below), whose sum is σ = 2381620332. Its totient is φ = 2124952704.

The previous prime is 2249802869. The next prime is 2249802911. The reversal of 2249802901 is 1092089422.

It can be written as a sum of positive squares in 2 ways, for example, as 754820676 + 1494982225 = 27474^2 + 38665^2 .

It is not a de Polignac number, because 2249802901 - 2⁵ = 2249802869 is a prime.

It is a super-2 number, since 2×2249802901² = 10123226186696031602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249802911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112411 + ... + 130903.

It is an arithmetic number, because the mean of its divisors is an integer number (198468361).

Almost surely, 2^2249802901 is an apocalyptic number.

It is an amenable number.

2249802901 is a deficient number, since it is larger than the sum of its proper divisors (131817431).

2249802901 is a wasteful number, since it uses less digits than its factorization.

2249802901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18868 (or 18849 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 2249802901 is about 47432.0872511426. The cubic root of 2249802901 is about 1310.3324333569.

The spelling of 2249802901 in words is "two billion, two hundred forty-nine million, eight hundred two thousand, nine hundred one".