22064555 has 8 divisors (see below), whose sum is σ = 28035072. Its totient is φ = 16613248.

The previous prime is 22064531. The next prime is 22064569. The reversal of 22064555 is 55546022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22064555 - 2¹² = 22060459 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129707 + ... + 129876.

It is an arithmetic number, because the mean of its divisors is an integer number (3504384).

Almost surely, 2^22064555 is an apocalyptic number.

22064555 is a deficient number, since it is larger than the sum of its proper divisors (5970517).

22064555 is a wasteful number, since it uses less digits than its factorization.

22064555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259605.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 22064555 is about 4697.2923051477. The cubic root of 22064555 is about 280.4777345981.

The spelling of 22064555 in words is "twenty-two million, sixty-four thousand, five hundred fifty-five".