22064155 has 8 divisors (see below), whose sum is σ = 26583984. Its totient is φ = 17580000.

The previous prime is 22064137. The next prime is 22064167. The reversal of 22064155 is 55146022.

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

It is not a de Polignac number, because 22064155 - 2⁵ = 22064123 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7536 + ... + 10045.

It is an arithmetic number, because the mean of its divisors is an integer number (3322998).

Almost surely, 2^22064155 is an apocalyptic number.

22064155 is a deficient number, since it is larger than the sum of its proper divisors (4519829).

22064155 is a wasteful number, since it uses less digits than its factorization.

22064155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17837.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 22064155 is about 4697.2497272340. The cubic root of 22064155 is about 280.4760396962.

The spelling of 22064155 in words is "twenty-two million, sixty-four thousand, one hundred fifty-five".