22241104225 has 24 divisors (see below), whose sum is σ = 29238073088. Its totient is φ = 16753521600.

The previous prime is 22241104217. The next prime is 22241104243. The reversal of 22241104225 is 52240114222.

It is a happy number.

It is not a de Polignac number, because 22241104225 - 2³ = 22241104217 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 22241104225.

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, 359139 + ... + 416488.

Almost surely, 2^22241104225 is an apocalyptic number.

22241104225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22241104225 is a deficient number, since it is larger than the sum of its proper divisors (6996968863).

22241104225 is a wasteful number, since it uses less digits than its factorization.

22241104225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775705 (or 775700 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 22241104225 its reverse (52240114222), we get a palindrome (74481218447).

The spelling of 22241104225 in words is "twenty-two billion, two hundred forty-one million, one hundred four thousand, two hundred twenty-five".