222513423 has 16 divisors (see below), whose sum is σ = 323913216. Its totient is φ = 134749440.

The previous prime is 222513413. The next prime is 222513479. The reversal of 222513423 is 324315222.

It is not a de Polignac number, because 222513423 - 2⁴ = 222513407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222513393 and 222513402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222513413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64890 + ... + 68232.

It is an arithmetic number, because the mean of its divisors is an integer number (20244576).

Almost surely, 2^222513423 is an apocalyptic number.

222513423 is a deficient number, since it is larger than the sum of its proper divisors (101399793).

222513423 is a wasteful number, since it uses less digits than its factorization.

222513423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5374.

The product of its digits is 2880, while the sum is 24.

The square root of 222513423 is about 14916.8838233728. The cubic root of 222513423 is about 605.9713222604.

Adding to 222513423 its reverse (324315222), we get a palindrome (546828645).

The spelling of 222513423 in words is "two hundred twenty-two million, five hundred thirteen thousand, four hundred twenty-three".