22011385 has 8 divisors (see below), whose sum is σ = 28814976. Its totient is φ = 16008240.

The previous prime is 22011373. The next prime is 22011403. The reversal of 22011385 is 58311022.

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

It is not a de Polignac number, because 22011385 - 2¹⁵ = 21978617 is a prime.

It is a Duffinian number.

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, 200049 + ... + 200158.

It is an arithmetic number, because the mean of its divisors is an integer number (3601872).

Almost surely, 2^22011385 is an apocalyptic number.

It is an amenable number.

22011385 is a deficient number, since it is larger than the sum of its proper divisors (6803591).

22011385 is a wasteful number, since it uses less digits than its factorization.

22011385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400223.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 22011385 is about 4691.6292479266. The cubic root of 22011385 is about 280.2522599086.

The spelling of 22011385 in words is "twenty-two million, eleven thousand, three hundred eighty-five".