22252065 has 32 divisors (see below), whose sum is σ = 41129856. Its totient is φ = 10152960.

The previous prime is 22252057. The next prime is 22252067. The reversal of 22252065 is 56025222.

It is not a de Polignac number, because 22252065 - 2³ = 22252057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22252067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1162 + ... + 6771.

It is an arithmetic number, because the mean of its divisors is an integer number (1285308).

Almost surely, 2^22252065 is an apocalyptic number.

It is an amenable number.

22252065 is a deficient number, since it is larger than the sum of its proper divisors (18877791).

22252065 is a wasteful number, since it uses less digits than its factorization.

22252065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7969.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 22252065 is about 4717.2094505120. The cubic root of 22252065 is about 281.2700173407.

Adding to 22252065 its reverse (56025222), we get a palindrome (78277287).

The spelling of 22252065 in words is "twenty-two million, two hundred fifty-two thousand, sixty-five".