222616423 has 12 divisors (see below), whose sum is σ = 227902360. Its totient is φ = 217432800.

The previous prime is 222616417. The next prime is 222616451. The reversal of 222616423 is 324616222.

It is a de Polignac number, because none of the positive numbers 2^k-222616423 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222616391 and 222616400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222616463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1417861 + ... + 1418017.

Almost surely, 2^222616423 is an apocalyptic number.

222616423 is a deficient number, since it is larger than the sum of its proper divisors (5285937).

222616423 is a wasteful number, since it uses less digits than its factorization.

222616423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 397 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 222616423 is about 14920.3358876401. The cubic root of 222616423 is about 606.0648078838.

The spelling of 222616423 in words is "two hundred twenty-two million, six hundred sixteen thousand, four hundred twenty-three".