22210559 has 4 divisors (see below), whose sum is σ = 25383504. Its totient is φ = 19037616.

The previous prime is 22210511. The next prime is 22210579. The reversal of 22210559 is 95501222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22210559 - 2²⁰ = 21161983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586462 + ... + 1586475.

It is an arithmetic number, because the mean of its divisors is an integer number (6345876).

Almost surely, 2^22210559 is an apocalyptic number.

22210559 is a deficient number, since it is larger than the sum of its proper divisors (3172945).

22210559 is an equidigital number, since it uses as much as digits as its factorization.

22210559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172944.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 22210559 is about 4712.8079740214. The cubic root of 22210559 is about 281.0950274468.

The spelling of 22210559 in words is "twenty-two million, two hundred ten thousand, five hundred fifty-nine".