2261233216 has 28 divisors (see below), whose sum is σ = 4895057520. Its totient is φ = 1027832960.

The previous prime is 2261233171. The next prime is 2261233229. The reversal of 2261233216 is 6123321622.

It is a super-2 number, since 2×2261233216² = 10226351314283405312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1605286 + ... + 1606693.

Almost surely, 2^2261233216 is an apocalyptic number.

It is an amenable number.

2261233216 is an abundant number, since it is smaller than the sum of its proper divisors (2633824304).

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

2261233216 is a wasteful number, since it uses less digits than its factorization.

2261233216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212002 (or 3211992 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 2261233216 is about 47552.4259738659. The cubic root of 2261233216 is about 1312.5477709718.

Adding to 2261233216 its reverse (6123321622), we get a palindrome (8384554838).

The spelling of 2261233216 in words is "two billion, two hundred sixty-one million, two hundred thirty-three thousand, two hundred sixteen".