22285393 has 4 divisors (see below), whose sum is σ = 23999668. Its totient is φ = 20571120.

The previous prime is 22285391. The next prime is 22285397. The reversal of 22285393 is 39358222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39358222 = 2 ⋅19679111.

It can be written as a sum of positive squares in 2 ways, for example, as 13712209 + 8573184 = 3703^2 + 2928^2 .

It is a cyclic number.

It is not a de Polignac number, because 22285393 - 2¹ = 22285391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22285391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857118 + ... + 857143.

It is an arithmetic number, because the mean of its divisors is an integer number (5999917).

Almost surely, 2^22285393 is an apocalyptic number.

It is an amenable number.

22285393 is a deficient number, since it is larger than the sum of its proper divisors (1714275).

22285393 is a wasteful number, since it uses less digits than its factorization.

22285393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714274.

The product of its digits is 25920, while the sum is 34.

The square root of 22285393 is about 4720.7407257760. The cubic root of 22285393 is about 281.4103712207.

The spelling of 22285393 in words is "twenty-two million, two hundred eighty-five thousand, three hundred ninety-three".