22415135 has 4 divisors (see below), whose sum is σ = 26898168. Its totient is φ = 17932104.

The previous prime is 22415123. The next prime is 22415143. The reversal of 22415135 is 53151422.

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

It is a cyclic number.

It is not a de Polignac number, because 22415135 - 2⁸ = 22414879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22415135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2241509 + ... + 2241518.

It is an arithmetic number, because the mean of its divisors is an integer number (6724542).

Almost surely, 2^22415135 is an apocalyptic number.

22415135 is a deficient number, since it is larger than the sum of its proper divisors (4483033).

22415135 is an equidigital number, since it uses as much as digits as its factorization.

22415135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4483032.

The product of its digits is 1200, while the sum is 23.

The square root of 22415135 is about 4734.4624826901. The cubic root of 22415135 is about 281.9554235998.

Adding to 22415135 its reverse (53151422), we get a palindrome (75566557).

The spelling of 22415135 in words is "twenty-two million, four hundred fifteen thousand, one hundred thirty-five".