22205064 has 32 divisors (see below), whose sum is σ = 63443520. Its totient is φ = 6344256.

The previous prime is 22205041. The next prime is 22205093. The reversal of 22205064 is 46050222.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 22205064.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65919 + ... + 66254.

It is an arithmetic number, because the mean of its divisors is an integer number (1982610).

Almost surely, 2^22205064 is an apocalyptic number.

22205064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22205064 is an abundant number, since it is smaller than the sum of its proper divisors (41238456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22205064 is a wasteful number, since it uses less digits than its factorization.

22205064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132189 (or 132185 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 22205064 is about 4712.2249521855. The cubic root of 22205064 is about 281.0718441105.

Adding to 22205064 its reverse (46050222), we get a palindrome (68255286).

The spelling of 22205064 in words is "twenty-two million, two hundred five thousand, sixty-four".