222191423 has 8 divisors (see below), whose sum is σ = 231907536. Its totient is φ = 212680000.

The previous prime is 222191407. The next prime is 222191441. The reversal of 222191423 is 324191222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222191423 - 2⁴ = 222191407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222191392 and 222191401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222191483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48953 + ... + 53298.

It is an arithmetic number, because the mean of its divisors is an integer number (28988442).

Almost surely, 2^222191423 is an apocalyptic number.

222191423 is a deficient number, since it is larger than the sum of its proper divisors (9716113).

222191423 is a wasteful number, since it uses less digits than its factorization.

222191423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102345.

The product of its digits is 1728, while the sum is 26.

The square root of 222191423 is about 14906.0867768841. The cubic root of 222191423 is about 605.6788800340.

The spelling of 222191423 in words is "two hundred twenty-two million, one hundred ninety-one thousand, four hundred twenty-three".