22240531240 has 16 divisors (see below), whose sum is σ = 50041195380. Its totient is φ = 8896212480.

The previous prime is 22240531213. The next prime is 22240531241. The reversal of 22240531240 is 4213504222.

It can be written as a sum of positive squares in 2 ways, for example, as 22211133156 + 29398084 = 149034^2 + 5422^2 .

It is not an unprimeable number, because it can be changed into a prime (22240531241) 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, 278006601 + ... + 278006680.

Almost surely, 2^22240531240 is an apocalyptic number.

22240531240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22240531240 is an abundant number, since it is smaller than the sum of its proper divisors (27800664140).

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

22240531240 is a wasteful number, since it uses less digits than its factorization.

22240531240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556013292 (or 556013288 counting only the distinct ones).

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

The spelling of 22240531240 in words is "twenty-two billion, two hundred forty million, five hundred thirty-one thousand, two hundred forty".