22030231 has 2 divisors, whose sum is σ = 22030232. Its totient is φ = 22030230.

The previous prime is 22030213. The next prime is 22030241. The reversal of 22030231 is 13203022.

It is a happy number.

Together with previous prime (22030213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22030231 - 2⁵ = 22030199 is a prime.

It is a super-2 number, since 2×22030231² = 970662155826722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22030201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015115 + 11015116.

It is an arithmetic number, because the mean of its divisors is an integer number (11015116).

Almost surely, 2^22030231 is an apocalyptic number.

22030231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22030231 is an equidigital number, since it uses as much as digits as its factorization.

22030231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 22030231 is about 4693.6372889264. The cubic root of 22030231 is about 280.3322204599.

Adding to 22030231 its reverse (13203022), we get a palindrome (35233253).

The spelling of 22030231 in words is "twenty-two million, thirty thousand, two hundred thirty-one".