22199085 has 12 divisors (see below), whose sum is σ = 38478492. Its totient is φ = 11839488.

The previous prime is 22199077. The next prime is 22199119. The reversal of 22199085 is 58099122.

It can be written as a sum of positive squares in 2 ways, for example, as 11269449 + 10929636 = 3357^2 + 3306^2 .

It is not a de Polignac number, because 22199085 - 2³ = 22199077 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246612 + ... + 246701.

It is an arithmetic number, because the mean of its divisors is an integer number (3206541).

Almost surely, 2^22199085 is an apocalyptic number.

It is an amenable number.

22199085 is a deficient number, since it is larger than the sum of its proper divisors (16279407).

22199085 is a wasteful number, since it uses less digits than its factorization.

22199085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493324 (or 493321 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 22199085 is about 4711.5904957880. The cubic root of 22199085 is about 281.0466144389.

The spelling of 22199085 in words is "twenty-two million, one hundred ninety-nine thousand, eighty-five".