22690841 has 4 divisors (see below), whose sum is σ = 23062884. Its totient is φ = 22318800.

The previous prime is 22690813. The next prime is 22690861. The reversal of 22690841 is 14809622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14809622 = 2 ⋅7404811.

It can be written as a sum of positive squares in 2 ways, for example, as 8410000 + 14280841 = 2900^2 + 3779^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22690841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22690798 and 22690807.

It is not an unprimeable number, because it can be changed into a prime (22690861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185930 + ... + 186051.

It is an arithmetic number, because the mean of its divisors is an integer number (5765721).

Almost surely, 2^22690841 is an apocalyptic number.

It is an amenable number.

22690841 is a deficient number, since it is larger than the sum of its proper divisors (372043).

22690841 is an equidigital number, since it uses as much as digits as its factorization.

22690841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372042.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 22690841 is about 4763.4904219490. The cubic root of 22690841 is about 283.1067326229.

The spelling of 22690841 in words is "twenty-two million, six hundred ninety thousand, eight hundred forty-one".