22252017 has 32 divisors (see below), whose sum is σ = 32587776. Its totient is φ = 13464000.

The previous prime is 22252001. The next prime is 22252033. The reversal of 22252017 is 71025222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22252001) and next prime (22252033).

It is not a de Polignac number, because 22252017 - 2⁴ = 22252001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22251984 and 22252002.

It is not an unprimeable number, because it can be changed into a prime (22252037) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 215988 + ... + 216090.

It is an arithmetic number, because the mean of its divisors is an integer number (1018368).

Almost surely, 2^22252017 is an apocalyptic number.

It is an amenable number.

22252017 is a deficient number, since it is larger than the sum of its proper divisors (10335759).

22252017 is a wasteful number, since it uses less digits than its factorization.

22252017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 22252017 is about 4717.2043627556. The cubic root of 22252017 is about 281.2698150977.

Adding to 22252017 its reverse (71025222), we get a palindrome (93277239).

The spelling of 22252017 in words is "twenty-two million, two hundred fifty-two thousand, seventeen".