22053287 has 2 divisors, whose sum is σ = 22053288. Its totient is φ = 22053286.

The previous prime is 22053271. The next prime is 22053289. The reversal of 22053287 is 78235022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22053287 - 2⁴ = 22053271 is a prime.

Together with 22053289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22053289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11026643 + 11026644.

It is an arithmetic number, because the mean of its divisors is an integer number (11026644).

Almost surely, 2^22053287 is an apocalyptic number.

22053287 is a deficient number, since it is larger than the sum of its proper divisors (1).

22053287 is an equidigital number, since it uses as much as digits as its factorization.

22053287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 22053287 is about 4696.0927375852. The cubic root of 22053287 is about 280.4299813689.

The spelling of 22053287 in words is "twenty-two million, fifty-three thousand, two hundred eighty-seven".