22304222125 has 16 divisors (see below), whose sum is σ = 27930717360. Its totient is φ = 17782449600.

The previous prime is 22304222069. The next prime is 22304222141. The reversal of 22304222125 is 52122240322.

It can be written as a sum of positive squares in 8 ways, for example, as 9017971369 + 13286250756 = 94963^2 + 115266^2 .

It is not a de Polignac number, because 22304222125 - 2¹³ = 22304213933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 22304222125.

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, 267870 + ... + 341119.

It is an arithmetic number, because the mean of its divisors is an integer number (1745669835).

Almost surely, 2^22304222125 is an apocalyptic number.

22304222125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22304222125 is a deficient number, since it is larger than the sum of its proper divisors (5626495235).

22304222125 is an equidigital number, since it uses as much as digits as its factorization.

22304222125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609297 (or 609287 counting only the distinct ones).

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

Adding to 22304222125 its reverse (52122240322), we get a palindrome (74426462447).

The spelling of 22304222125 in words is "twenty-two billion, three hundred four million, two hundred twenty-two thousand, one hundred twenty-five".