122225143 has 4 divisors (see below), whose sum is σ = 122303088. Its totient is φ = 122147200.

The previous prime is 122225123. The next prime is 122225149. The reversal of 122225143 is 341522221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122225143 - 2⁹ = 122224631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122225149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36571 + ... + 39772.

It is an arithmetic number, because the mean of its divisors is an integer number (30575772).

Almost surely, 2^122225143 is an apocalyptic number.

122225143 is a deficient number, since it is larger than the sum of its proper divisors (77945).

122225143 is an equidigital number, since it uses as much as digits as its factorization.

122225143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77944.

The product of its digits is 960, while the sum is 22.

The square root of 122225143 is about 11055.5480642074. The cubic root of 122225143 is about 496.2724707745.

Adding to 122225143 its reverse (341522221), we get a palindrome (463747364).

The spelling of 122225143 in words is "one hundred twenty-two million, two hundred twenty-five thousand, one hundred forty-three".