22052239 has 16 divisors (see below), whose sum is σ = 25380864. Its totient is φ = 18964000.

The previous prime is 22052237. The next prime is 22052299. The reversal of 22052239 is 93225022.

It is not a de Polignac number, because 22052239 - 2¹ = 22052237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22052237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25122 + ... + 25984.

It is an arithmetic number, because the mean of its divisors is an integer number (1586304).

Almost surely, 2^22052239 is an apocalyptic number.

22052239 is a deficient number, since it is larger than the sum of its proper divisors (3328625).

22052239 is a wasteful number, since it uses less digits than its factorization.

22052239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 22052239 is about 4695.9811541359. The cubic root of 22052239 is about 280.4255391698.

It can be divided in two parts, 2205 and 2239, that added together give a palindrome (4444).

The spelling of 22052239 in words is "twenty-two million, fifty-two thousand, two hundred thirty-nine".