222423201 has 72 divisors (see below), whose sum is σ = 439193664. Its totient is φ = 106626240.

The previous prime is 222423167. The next prime is 222423221. The reversal of 222423201 is 102324222.

222423201 is a `hidden beast` number, since 222 + 423 + 20 + 1 = 666.

It is not a de Polignac number, because 222423201 - 2⁶ = 222423137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222423221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 61300 + ... + 64826.

It is an arithmetic number, because the mean of its divisors is an integer number (6099912).

Almost surely, 2^222423201 is an apocalyptic number.

222423201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222423201 is a deficient number, since it is larger than the sum of its proper divisors (216770463).

222423201 is a wasteful number, since it uses less digits than its factorization.

222423201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571 (or 3561 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 222423201 is about 14913.8593596694. The cubic root of 222423201 is about 605.8894105944.

Adding to 222423201 its reverse (102324222), we get a palindrome (324747423).

It can be divided in two parts, 2224 and 23201, that added together give a triangular number (25425 = T₂₂₅).

The spelling of 222423201 in words is "two hundred twenty-two million, four hundred twenty-three thousand, two hundred one".