22053393 has 6 divisors (see below), whose sum is σ = 31854914. Its totient is φ = 14702256.

The previous prime is 22053377. The next prime is 22053401. The reversal of 22053393 is 39335022.

22053393 is a `hidden beast` number, since 220 + 53 + 393 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21790224 + 263169 = 4668^2 + 513^2 .

It is not a de Polignac number, because 22053393 - 2⁴ = 22053377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22053313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1225180 + ... + 1225197.

Almost surely, 2^22053393 is an apocalyptic number.

It is an amenable number.

22053393 is a deficient number, since it is larger than the sum of its proper divisors (9801521).

22053393 is a wasteful number, since it uses less digits than its factorization.

22053393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450383 (or 2450380 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 22053393 is about 4696.1040235497. The cubic root of 22053393 is about 280.4304306674.

The spelling of 22053393 in words is "twenty-two million, fifty-three thousand, three hundred ninety-three".