22089827 has 4 divisors (see below), whose sum is σ = 22100736. Its totient is φ = 22078920.

The previous prime is 22089803. The next prime is 22089839. The reversal of 22089827 is 72898022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22089827 - 2¹² = 22085731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22089877) 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, 1424 + ... + 6797.

It is an arithmetic number, because the mean of its divisors is an integer number (5525184).

Almost surely, 2^22089827 is an apocalyptic number.

22089827 is a deficient number, since it is larger than the sum of its proper divisors (10909).

22089827 is an equidigital number, since it uses as much as digits as its factorization.

22089827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10908.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 22089827 is about 4699.9815957086. The cubic root of 22089827 is about 280.5847769989.

The spelling of 22089827 in words is "twenty-two million, eighty-nine thousand, eight hundred twenty-seven".