22063291 has 2 divisors, whose sum is σ = 22063292. Its totient is φ = 22063290.

The previous prime is 22063271. The next prime is 22063337. The reversal of 22063291 is 19236022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22063291 - 2⁹ = 22062779 is a prime.

It is not a weakly prime, because it can be changed into another prime (22063201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11031645 + 11031646.

It is an arithmetic number, because the mean of its divisors is an integer number (11031646).

Almost surely, 2^22063291 is an apocalyptic number.

22063291 is a deficient number, since it is larger than the sum of its proper divisors (1).

22063291 is an equidigital number, since it uses as much as digits as its factorization.

22063291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 22063291 is about 4697.1577576232. The cubic root of 22063291 is about 280.4723786380.

The spelling of 22063291 in words is "twenty-two million, sixty-three thousand, two hundred ninety-one".