22082045 has 4 divisors (see below), whose sum is σ = 26498460. Its totient is φ = 17665632.

The previous prime is 22082033. The next prime is 22082051. The reversal of 22082045 is 54028022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54028022 = 2 ⋅27014011.

It can be written as a sum of positive squares in 2 ways, for example, as 7778521 + 14303524 = 2789^2 + 3782^2 .

It is a cyclic number.

It is not a de Polignac number, because 22082045 - 2⁶ = 22081981 is a prime.

It is a super-2 number, since 2×22082045² = 975233422764050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22082045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2208200 + ... + 2208209.

It is an arithmetic number, because the mean of its divisors is an integer number (6624615).

Almost surely, 2^22082045 is an apocalyptic number.

It is an amenable number.

22082045 is a deficient number, since it is larger than the sum of its proper divisors (4416415).

22082045 is an equidigital number, since it uses as much as digits as its factorization.

22082045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416414.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 22082045 is about 4699.1536472007. The cubic root of 22082045 is about 280.5518241651.

The spelling of 22082045 in words is "twenty-two million, eighty-two thousand, forty-five".