20222089 has 4 divisors (see below), whose sum is σ = 20269440. Its totient is φ = 20174740.

The previous prime is 20222087. The next prime is 20222101. The reversal of 20222089 is 98022202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20222089 - 2¹ = 20222087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222087) 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, 23029 + ... + 23890.

It is an arithmetic number, because the mean of its divisors is an integer number (5067360).

Almost surely, 2^20222089 is an apocalyptic number.

It is an amenable number.

20222089 is a deficient number, since it is larger than the sum of its proper divisors (47351).

20222089 is an equidigital number, since it uses as much as digits as its factorization.

20222089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47350.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 20222089 is about 4496.8977084208. The cubic root of 20222089 is about 272.4428025731.

The spelling of 20222089 in words is "twenty million, two hundred twenty-two thousand, eighty-nine".