22133065 has 20 divisors (see below), whose sum is σ = 28752084. Its totient is φ = 16350464.

The previous prime is 22133021. The next prime is 22133077. The reversal of 22133065 is 56033122.

It can be written as a sum of positive squares in 10 ways, for example, as 501264 + 21631801 = 708^2 + 4651^2 .

It is not a de Polignac number, because 22133065 - 2¹¹ = 22131017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 417579 + ... + 417631.

Almost surely, 2^22133065 is an apocalyptic number.

It is an amenable number.

22133065 is a deficient number, since it is larger than the sum of its proper divisors (6619019).

22133065 is an frugal number, since it uses more digits than its factorization.

22133065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 22133065 is about 4704.5791522728. The cubic root of 22133065 is about 280.7677272415.

Adding to 22133065 its reverse (56033122), we get a palindrome (78166187).

The spelling of 22133065 in words is "twenty-two million, one hundred thirty-three thousand, sixty-five".