22103165 has 12 divisors (see below), whose sum is σ = 30854556. Its totient is φ = 15156288.

The previous prime is 22103131. The next prime is 22103197. The reversal of 22103165 is 56130122.

It can be written as a sum of positive squares in 2 ways, for example, as 14341369 + 7761796 = 3787^2 + 2786^2 .

It is not a de Polignac number, because 22103165 - 2¹² = 22099069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44864 + ... + 45353.

It is an arithmetic number, because the mean of its divisors is an integer number (2571213).

Almost surely, 2^22103165 is an apocalyptic number.

It is an amenable number.

22103165 is a deficient number, since it is larger than the sum of its proper divisors (8751391).

22103165 is an equidigital number, since it uses as much as digits as its factorization.

22103165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90236 (or 90229 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 22103165 is about 4701.4003233079. The cubic root of 22103165 is about 280.6412386871.

Adding to 22103165 its reverse (56130122), we get a palindrome (78233287).

The spelling of 22103165 in words is "twenty-two million, one hundred three thousand, one hundred sixty-five".