222012423423 has 32 divisors (see below), whose sum is σ = 398005470720. Its totient is φ = 119401637760.

The previous prime is 222012423377. The next prime is 222012423443. The reversal of 222012423423 is 324324210222.

222012423423 is a `hidden beast` number, since 2 + 220 + 12 + 4 + 2 + 3 + 423 = 666.

It is not a de Polignac number, because 222012423423 - 2¹⁴ = 222012407039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222012423443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34545873 + ... + 34552298.

It is an arithmetic number, because the mean of its divisors is an integer number (12437670960).

Almost surely, 2^222012423423 is an apocalyptic number.

222012423423 is a deficient number, since it is larger than the sum of its proper divisors (175993047297).

222012423423 is a wasteful number, since it uses less digits than its factorization.

222012423423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69098204 (or 69098198 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 222012423423 its reverse (324324210222), we get a palindrome (546336633645).

The spelling of 222012423423 in words is "two hundred twenty-two billion, twelve million, four hundred twenty-three thousand, four hundred twenty-three".