222242400123 has 16 divisors (see below), whose sum is σ = 298070070816. Its totient is φ = 147288360960.

The previous prime is 222242400089. The next prime is 222242400143. The reversal of 222242400123 is 321004242222.

It is not a de Polignac number, because 222242400123 - 2⁹ = 222242399611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222242400093 and 222242400102.

It is not an unprimeable number, because it can be changed into a prime (222242400143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5917083 + ... + 5954523.

It is an arithmetic number, because the mean of its divisors is an integer number (18629379426).

Almost surely, 2^222242400123 is an apocalyptic number.

222242400123 is a deficient number, since it is larger than the sum of its proper divisors (75827670693).

222242400123 is a wasteful number, since it uses less digits than its factorization.

222242400123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49054.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 222242400123 its reverse (321004242222), we get a palindrome (543246642345).

The spelling of 222242400123 in words is "two hundred twenty-two billion, two hundred forty-two million, four hundred thousand, one hundred twenty-three".