5225731644 has 48 divisors (see below), whose sum is σ = 13970475008. Its totient is φ = 1489295808.

The previous prime is 5225731639. The next prime is 5225731663. The reversal of 5225731644 is 4461375225.

It is a super-3 number, since 3×5225731644³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45004 + ... + 111699.

Almost surely, 2^5225731644 is an apocalyptic number.

It is an amenable number.

5225731644 is an abundant number, since it is smaller than the sum of its proper divisors (8744743364).

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

5225731644 is a wasteful number, since it uses less digits than its factorization.

5225731644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157114 (or 157112 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 5225731644 is about 72289.2221842233. Note that the first 3 decimals coincide. The cubic root of 5225731644 is about 1735.3311710486.

The spelling of 5225731644 in words is "five billion, two hundred twenty-five million, seven hundred thirty-one thousand, six hundred forty-four".