222406426331 has 4 divisors (see below), whose sum is σ = 222414612600. Its totient is φ = 222398240064.

The previous prime is 222406426273. The next prime is 222406426349. The reversal of 222406426331 is 133624604222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222406426331 - 2¹⁸ = 222406164187 is a prime.

It is a super-2 number, since 2×222406426331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222406426291 and 222406426300.

It is not an unprimeable number, because it can be changed into a prime (222406426531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4052246 + ... + 4106763.

It is an arithmetic number, because the mean of its divisors is an integer number (55603653150).

Almost surely, 2^222406426331 is an apocalyptic number.

222406426331 is a deficient number, since it is larger than the sum of its proper divisors (8186269).

222406426331 is an equidigital number, since it uses as much as digits as its factorization.

222406426331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8186268.

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 222406426331 in words is "two hundred twenty-two billion, four hundred six million, four hundred twenty-six thousand, three hundred thirty-one".