2251344632 has 16 divisors (see below), whose sum is σ = 4222092600. Its totient is φ = 1125453280.

The previous prime is 2251344631. The next prime is 2251344677. The reversal of 2251344632 is 2364431522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251344631) 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, 21419 + ... + 70437.

Almost surely, 2^2251344632 is an apocalyptic number.

It is an amenable number.

2251344632 is a deficient number, since it is larger than the sum of its proper divisors (1970747968).

2251344632 is a wasteful number, since it uses less digits than its factorization.

2251344632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54766 (or 54762 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 2251344632 is about 47448.3364513446. The cubic root of 2251344632 is about 1310.6316771779.

The spelling of 2251344632 in words is "two billion, two hundred fifty-one million, three hundred forty-four thousand, six hundred thirty-two".