222406331 has 8 divisors (see below), whose sum is σ = 255193344. Its totient is φ = 189873000.

The previous prime is 222406309. The next prime is 222406333. The reversal of 222406331 is 133604222.

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 222406331 - 2¹⁰ = 222405307 is a prime.

It is a super-2 number, since 2×222406331² = 98929152137763122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222406297 and 222406306.

It is not an unprimeable number, because it can be changed into a prime (222406333) 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, 61535 + ... + 65048.

It is an arithmetic number, because the mean of its divisors is an integer number (31899168).

Almost surely, 2^222406331 is an apocalyptic number.

222406331 is a deficient number, since it is larger than the sum of its proper divisors (32787013).

222406331 is a wasteful number, since it uses less digits than its factorization.

222406331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126841.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 222406331 is about 14913.2937676423. The cubic root of 222406331 is about 605.8740920294.

The spelling of 222406331 in words is "two hundred twenty-two million, four hundred six thousand, three hundred thirty-one".