22140050225 has 24 divisors (see below), whose sum is σ = 28150198272. Its totient is φ = 17263491200.

The previous prime is 22140050197. The next prime is 22140050293. The reversal of 22140050225 is 52205004122.

It is not a de Polignac number, because 22140050225 - 2⁶ = 22140050161 is a prime.

It is a super-3 number, since 3×22140050225³ (a number of 32 digits) contains 333 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 22140050225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1120784 + ... + 1140366.

It is an arithmetic number, because the mean of its divisors is an integer number (1172924928).

Almost surely, 2^22140050225 is an apocalyptic number.

22140050225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22140050225 is a deficient number, since it is larger than the sum of its proper divisors (6010148047).

22140050225 is a wasteful number, since it uses less digits than its factorization.

22140050225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20737 (or 20732 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 22140050225 its reverse (52205004122), we get a palindrome (74345054347).

The spelling of 22140050225 in words is "twenty-two billion, one hundred forty million, fifty thousand, two hundred twenty-five".