22322100225 has 24 divisors (see below), whose sum is σ = 37456714720. Its totient is φ = 11727429120.

The previous prime is 22322100173. The next prime is 22322100233. The reversal of 22322100225 is 52200122322.

It is not a de Polignac number, because 22322100225 - 2¹⁹ = 22321575937 is a prime.

It is a super-3 number, since 3×22322100225³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

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, 2216080 + ... + 2226129.

Almost surely, 2^22322100225 is an apocalyptic number.

22322100225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22322100225 is a deficient number, since it is larger than the sum of its proper divisors (15134614495).

22322100225 is a wasteful number, since it uses less digits than its factorization.

22322100225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4442289 (or 4442284 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 22322100225 its reverse (52200122322), we get a palindrome (74522222547).

The spelling of 22322100225 in words is "twenty-two billion, three hundred twenty-two million, one hundred thousand, two hundred twenty-five".