22225535 has 16 divisors (see below), whose sum is σ = 28252800. Its totient is φ = 16737696.

The previous prime is 22225519. The next prime is 22225537. The reversal of 22225535 is 53552222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22225535 - 2⁴ = 22225519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22225537) 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, 16352 + ... + 17658.

It is an arithmetic number, because the mean of its divisors is an integer number (1765800).

Almost surely, 2^22225535 is an apocalyptic number.

22225535 is a deficient number, since it is larger than the sum of its proper divisors (6027265).

22225535 is a wasteful number, since it uses less digits than its factorization.

22225535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510.

The product of its digits is 6000, while the sum is 26.

The square root of 22225535 is about 4714.3965679607. The cubic root of 22225535 is about 281.1581915980.

Adding to 22225535 its reverse (53552222), we get a palindrome (75777757).

The spelling of 22225535 in words is "twenty-two million, two hundred twenty-five thousand, five hundred thirty-five".