222426213 has 16 divisors (see below), whose sum is σ = 304399296. Its totient is φ = 144410240.

The previous prime is 222426187. The next prime is 222426223. The reversal of 222426213 is 312624222.

It is a happy number.

222426213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 222426213 - 2⁹ = 222425701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222426223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16678 + ... + 26888.

It is an arithmetic number, because the mean of its divisors is an integer number (19024956).

Almost surely, 2^222426213 is an apocalyptic number.

It is an amenable number.

222426213 is a deficient number, since it is larger than the sum of its proper divisors (81973083).

222426213 is a wasteful number, since it uses less digits than its factorization.

222426213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10404.

The product of its digits is 2304, while the sum is 24.

The square root of 222426213 is about 14913.9603392258. The cubic root of 222426213 is about 605.8921455170.

The spelling of 222426213 in words is "two hundred twenty-two million, four hundred twenty-six thousand, two hundred thirteen".