123564222 has 24 divisors (see below), whose sum is σ = 273420576. Its totient is φ = 40311456.

The previous prime is 123564193. The next prime is 123564251. The reversal of 123564222 is 222465321.

It is a happy number.

123564222 is a `hidden beast` number, since 1 + 235 + 6 + 422 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (123564193) and next prime (123564251).

It is a super-3 number, since 3×123564222³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 72183 + ... + 73874.

It is an arithmetic number, because the mean of its divisors is an integer number (11392524).

Almost surely, 2^123564222 is an apocalyptic number.

123564222 is an abundant number, since it is smaller than the sum of its proper divisors (149856354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123564222 is a wasteful number, since it uses less digits than its factorization.

123564222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146112 (or 146109 counting only the distinct ones).

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

The square root of 123564222 is about 11115.9444942839. The cubic root of 123564222 is about 498.0782525699.

The spelling of 123564222 in words is "one hundred twenty-three million, five hundred sixty-four thousand, two hundred twenty-two".