22152653 has 6 divisors (see below), whose sum is σ = 22465674. Its totient is φ = 21843936.

The previous prime is 22152643. The next prime is 22152659. The reversal of 22152653 is 35625122.

It can be written as a sum of positive squares in 3 ways, for example, as 3988009 + 18164644 = 1997^2 + 4262^2 .

It is not a de Polignac number, because 22152653 - 2¹² = 22148557 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 (22152659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3251 + ... + 7407.

It is an arithmetic number, because the mean of its divisors is an integer number (3744279).

Almost surely, 2^22152653 is an apocalyptic number.

It is an amenable number.

22152653 is a deficient number, since it is larger than the sum of its proper divisors (313021).

22152653 is an frugal number, since it uses more digits than its factorization.

22152653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303 (or 4230 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 22152653 is about 4706.6604933859. The cubic root of 22152653 is about 280.8505303028.

Adding to 22152653 its reverse (35625122), we get a palindrome (57777775).

The spelling of 22152653 in words is "twenty-two million, one hundred fifty-two thousand, six hundred fifty-three".