22230291 has 16 divisors (see below), whose sum is σ = 30299648. Its totient is φ = 14493600.

The previous prime is 22230289. The next prime is 22230293. The reversal of 22230291 is 19203222.

It is an interprime number because it is at equal distance from previous prime (22230289) and next prime (22230293).

It is not a de Polignac number, because 22230291 - 2¹ = 22230289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22230293) 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, 60390 + ... + 60756.

It is an arithmetic number, because the mean of its divisors is an integer number (1893728).

Almost surely, 2^22230291 is an apocalyptic number.

22230291 is a deficient number, since it is larger than the sum of its proper divisors (8069357).

22230291 is a wasteful number, since it uses less digits than its factorization.

22230291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 22230291 is about 4714.9009533605. The cubic root of 22230291 is about 281.1782450034.

The spelling of 22230291 in words is "twenty-two million, two hundred thirty thousand, two hundred ninety-one".