22122089 has 4 divisors (see below), whose sum is σ = 24133200. Its totient is φ = 20110980.

The previous prime is 22122053. The next prime is 22122097. The reversal of 22122089 is 98022122.

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 22122089 - 2¹⁶ = 22056553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122589) 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, 1005539 + ... + 1005560.

It is an arithmetic number, because the mean of its divisors is an integer number (6033300).

Almost surely, 2^22122089 is an apocalyptic number.

It is an amenable number.

22122089 is a deficient number, since it is larger than the sum of its proper divisors (2011111).

22122089 is a wasteful number, since it uses less digits than its factorization.

22122089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011110.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 22122089 is about 4703.4124845690. The cubic root of 22122089 is about 280.7213077611.

The spelling of 22122089 in words is "twenty-two million, one hundred twenty-two thousand, eighty-nine".