222456123 has 48 divisors (see below), whose sum is σ = 350438400. Its totient is φ = 135527040.

The previous prime is 222456053. The next prime is 222456127. The reversal of 222456123 is 321654222.

It is a happy number.

222456123 is a `hidden beast` number, since 2 + 2 + 2 + 45 + 612 + 3 = 666.

222456123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222456123 - 2¹³ = 222447931 is a prime.

It is a super-2 number, since 2×222456123² = 98973453320382258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222456127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 715138 + ... + 715448.

It is an arithmetic number, because the mean of its divisors is an integer number (7300800).

Almost surely, 2^222456123 is an apocalyptic number.

222456123 is a deficient number, since it is larger than the sum of its proper divisors (127982277).

222456123 is a wasteful number, since it uses less digits than its factorization.

222456123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 469 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 222456123 is about 14914.9630572791. The cubic root of 222456123 is about 605.9193027205.

The spelling of 222456123 in words is "two hundred twenty-two million, four hundred fifty-six thousand, one hundred twenty-three".