22064489 has 4 divisors (see below), whose sum is σ = 22074624. Its totient is φ = 22054356.

The previous prime is 22064477. The next prime is 22064531. The reversal of 22064489 is 98446022.

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, 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 22064489 - 2⁴ = 22064473 is a prime.

It is a super-2 number, since 2×22064489² = 973683349662242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22064459) 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, 317 + ... + 6650.

It is an arithmetic number, because the mean of its divisors is an integer number (5518656).

Almost surely, 2^22064489 is an apocalyptic number.

It is an amenable number.

22064489 is a deficient number, since it is larger than the sum of its proper divisors (10135).

22064489 is an equidigital number, since it uses as much as digits as its factorization.

22064489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10134.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 22064489 is about 4697.2852798185. The cubic root of 22064489 is about 280.4774549407.

The spelling of 22064489 in words is "twenty-two million, sixty-four thousand, four hundred eighty-nine".