55222242425 has 24 divisors (see below), whose sum is σ = 78271032000. Its totient is φ = 37860281280.

The previous prime is 55222242421. The next prime is 55222242529. The reversal of 55222242425 is 52424222255.

It is not a de Polignac number, because 55222242425 - 2² = 55222242421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (55222242421) 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 23 ways as a sum of consecutive naturals, for example, 1163051 + ... + 1209599.

It is an arithmetic number, because the mean of its divisors is an integer number (3261293000).

Almost surely, 2^55222242425 is an apocalyptic number.

It is an amenable number.

55222242425 is a deficient number, since it is larger than the sum of its proper divisors (23048789575).

55222242425 is a wasteful number, since it uses less digits than its factorization.

55222242425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53345 (or 53340 counting only the distinct ones).

The product of its digits is 128000, while the sum is 35.

The spelling of 55222242425 in words is "fifty-five billion, two hundred twenty-two million, two hundred forty-two thousand, four hundred twenty-five".