222355423 has 24 divisors (see below), whose sum is σ = 244638576. Its totient is φ = 201916800.

The previous prime is 222355417. The next prime is 222355501. The reversal of 222355423 is 324553222.

It is a happy number.

It is not a de Polignac number, because 222355423 - 2⁹ = 222354911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222355391 and 222355400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222352423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1228393 + ... + 1228573.

It is an arithmetic number, because the mean of its divisors is an integer number (10193274).

Almost surely, 2^222355423 is an apocalyptic number.

222355423 is a deficient number, since it is larger than the sum of its proper divisors (22283153).

222355423 is a wasteful number, since it uses less digits than its factorization.

222355423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 324 counting only the distinct ones).

The product of its digits is 14400, while the sum is 28.

The square root of 222355423 is about 14911.5868706184. The cubic root of 222355423 is about 605.8278610434.

It can be divided in two parts, 222355 and 423, that added together give a triangular number (222778 = T₆₆₇).

The spelling of 222355423 in words is "two hundred twenty-two million, three hundred fifty-five thousand, four hundred twenty-three".