22266331 has 2 divisors, whose sum is σ = 22266332. Its totient is φ = 22266330.

The previous prime is 22266317. The next prime is 22266353. The reversal of 22266331 is 13366222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22266331 - 2¹¹ = 22264283 is a prime.

It is a super-2 number, since 2×22266331² = 991578992403122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22266296 and 22266305.

It is not a weakly prime, because it can be changed into another prime (22266371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11133165 + 11133166.

It is an arithmetic number, because the mean of its divisors is an integer number (11133166).

Almost surely, 2^22266331 is an apocalyptic number.

22266331 is a deficient number, since it is larger than the sum of its proper divisors (1).

22266331 is an equidigital number, since it uses as much as digits as its factorization.

22266331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 25.

The square root of 22266331 is about 4718.7213310387. The cubic root of 22266331 is about 281.3301127501.

The spelling of 22266331 in words is "twenty-two million, two hundred sixty-six thousand, three hundred thirty-one".