22135045 has 4 divisors (see below), whose sum is σ = 26562060. Its totient is φ = 17708032.

The previous prime is 22134989. The next prime is 22135051. The reversal of 22135045 is 54053122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5602689 + 16532356 = 2367^2 + 4066^2 .

It is a cyclic number.

It is not a de Polignac number, because 22135045 - 2¹⁵ = 22102277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2213500 + ... + 2213509.

It is an arithmetic number, because the mean of its divisors is an integer number (6640515).

Almost surely, 2^22135045 is an apocalyptic number.

It is an amenable number.

22135045 is a deficient number, since it is larger than the sum of its proper divisors (4427015).

22135045 is an equidigital number, since it uses as much as digits as its factorization.

22135045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4427014.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 22135045 is about 4704.7895808421. The cubic root of 22135045 is about 280.7760993840.

Adding to 22135045 its reverse (54053122), we get a palindrome (76188167).

The spelling of 22135045 in words is "twenty-two million, one hundred thirty-five thousand, forty-five".