5640022531 has 8 divisors (see below), whose sum is σ = 6626040624. Its totient is φ = 4732885920.

The previous prime is 5640022481. The next prime is 5640022543. The reversal of 5640022531 is 1352200465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5640022531 - 2¹⁵ = 5639989763 is a prime.

It is a super-2 number, since 2×5640022531² = 63619708300375291922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5640022531.

It is not an unprimeable number, because it can be changed into a prime (5640022571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19720216 + ... + 19720501.

It is an arithmetic number, because the mean of its divisors is an integer number (828255078).

Almost surely, 2^5640022531 is an apocalyptic number.

5640022531 is a deficient number, since it is larger than the sum of its proper divisors (986018093).

5640022531 is a wasteful number, since it uses less digits than its factorization.

5640022531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39440741.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 5640022531 is about 75100.0834287153. The cubic root of 5640022531 is about 1780.0284609134.

Adding to 5640022531 its reverse (1352200465), we get a palindrome (6992222996).

The spelling of 5640022531 in words is "five billion, six hundred forty million, twenty-two thousand, five hundred thirty-one".