22224240025 has 24 divisors (see below), whose sum is σ = 30120891584. Its totient is φ = 16166779200.

The previous prime is 22224240023. The next prime is 22224240043. The reversal of 22224240025 is 52004242222.

It is not a de Polignac number, because 22224240025 - 2¹ = 22224240023 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22224240023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 488541 + ... + 532090.

Almost surely, 2^22224240025 is an apocalyptic number.

22224240025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22224240025 is a deficient number, since it is larger than the sum of its proper divisors (7896651559).

22224240025 is a wasteful number, since it uses less digits than its factorization.

22224240025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020721 (or 1020716 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 22224240025 its reverse (52004242222), we get a palindrome (74228482247).

The spelling of 22224240025 in words is "twenty-two billion, two hundred twenty-four million, two hundred forty thousand, twenty-five".