22103965 has 8 divisors (see below), whose sum is σ = 28565208. Its totient is φ = 16322880.

The previous prime is 22103957. The next prime is 22103971. The reversal of 22103965 is 56930122.

It can be written as a sum of positive squares in 4 ways, for example, as 3896676 + 18207289 = 1974^2 + 4267^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22103965 - 2³ = 22103957 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 169966 + ... + 170095.

It is an arithmetic number, because the mean of its divisors is an integer number (3570651).

Almost surely, 2^22103965 is an apocalyptic number.

It is an amenable number.

22103965 is a deficient number, since it is larger than the sum of its proper divisors (6461243).

22103965 is a wasteful number, since it uses less digits than its factorization.

22103965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340079.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 22103965 is about 4701.4854035719. The cubic root of 22103965 is about 280.6446244810.

The spelling of 22103965 in words is "twenty-two million, one hundred three thousand, nine hundred sixty-five".