22240240531 has 32 divisors (see below), whose sum is σ = 24441927552. Its totient is φ = 20153303040.

The previous prime is 22240240507. The next prime is 22240240537. The reversal of 22240240531 is 13504204222.

It is a cyclic number.

It is not a de Polignac number, because 22240240531 - 2⁵ = 22240240499 is a prime.

It is a super-2 number, since 2×22240240531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22240240496 and 22240240505.

It is not an unprimeable number, because it can be changed into a prime (22240240537) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 18274035 + ... + 18275251.

It is an arithmetic number, because the mean of its divisors is an integer number (763810236).

Almost surely, 2^22240240531 is an apocalyptic number.

22240240531 is a deficient number, since it is larger than the sum of its proper divisors (2201687021).

22240240531 is a wasteful number, since it uses less digits than its factorization.

22240240531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 22240240531 its reverse (13504204222), we get a palindrome (35744444753).

The spelling of 22240240531 in words is "twenty-two billion, two hundred forty million, two hundred forty thousand, five hundred thirty-one".