22240221125 has 16 divisors (see below), whose sum is σ = 28067672880. Its totient is φ = 17592256000.

The previous prime is 22240221067. The next prime is 22240221137. The reversal of 22240221125 is 52112204222.

It can be written as a sum of positive squares in 8 ways, for example, as 9059803489 + 13180417636 = 95183^2 + 114806^2 .

It is not a de Polignac number, because 22240221125 - 2⁶ = 22240221061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22240221125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 988436 + ... + 1010685.

It is an arithmetic number, because the mean of its divisors is an integer number (1754229555).

Almost surely, 2^22240221125 is an apocalyptic number.

22240221125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22240221125 is a deficient number, since it is larger than the sum of its proper divisors (5827451755).

22240221125 is an equidigital number, since it uses as much as digits as its factorization.

22240221125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999225 (or 1999215 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 22240221125 its reverse (52112204222), we get a palindrome (74352425347).

The spelling of 22240221125 in words is "twenty-two billion, two hundred forty million, two hundred twenty-one thousand, one hundred twenty-five".