22230042325 has 6 divisors (see below), whose sum is σ = 27565252514. Its totient is φ = 17784033840.

The previous prime is 22230042323. The next prime is 22230042337. The reversal of 22230042325 is 52324003222.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5263937809 + 16966104516 = 72553^2 + 130254^2 .

It is not a de Polignac number, because 22230042325 - 2¹ = 22230042323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 889201693 = 22230042325 / (2 + 2 + 2 + 3 + 0 + 0 + 4 + 2 + 3 + 2 + 5).

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 22230042325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230042323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 444600822 + ... + 444600871.

Almost surely, 2^22230042325 is an apocalyptic number.

22230042325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22230042325 is a deficient number, since it is larger than the sum of its proper divisors (5335210189).

22230042325 is an equidigital number, since it uses as much as digits as its factorization.

22230042325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889201703 (or 889201698 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 22230042325 its reverse (52324003222), we get a palindrome (74554045547).

The spelling of 22230042325 in words is "twenty-two billion, two hundred thirty million, forty-two thousand, three hundred twenty-five".