22040442125 has 64 divisors (see below), whose sum is σ = 30726958080. Its totient is φ = 15677971200.

The previous prime is 22040442121. The next prime is 22040442133. The reversal of 22040442125 is 52124404022.

It is not a de Polignac number, because 22040442125 - 2² = 22040442121 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22040442094 and 22040442103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040442121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6191096 + ... + 6194654.

It is an arithmetic number, because the mean of its divisors is an integer number (480108720).

Almost surely, 2^22040442125 is an apocalyptic number.

22040442125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22040442125 is a deficient number, since it is larger than the sum of its proper divisors (8686515955).

22040442125 is a wasteful number, since it uses less digits than its factorization.

22040442125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727 (or 3717 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 22040442125 its reverse (52124404022), we get a palindrome (74164846147).

The spelling of 22040442125 in words is "twenty-two billion, forty million, four hundred forty-two thousand, one hundred twenty-five".