22045941 has 6 divisors (see below), whose sum is σ = 31844150. Its totient is φ = 14697288.

The previous prime is 22045939. The next prime is 22045943. The reversal of 22045941 is 14954022.

It is an interprime number because it is at equal distance from previous prime (22045939) and next prime (22045943).

It can be written as a sum of positive squares in only one way, i.e., 22043025 + 2916 = 4695^2 + 54^2 .

It is not a de Polignac number, because 22045941 - 2¹ = 22045939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22045943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1224766 + ... + 1224783.

Almost surely, 2^22045941 is an apocalyptic number.

It is an amenable number.

22045941 is a deficient number, since it is larger than the sum of its proper divisors (9798209).

22045941 is a wasteful number, since it uses less digits than its factorization.

22045941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449555 (or 2449552 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 22045941 is about 4695.3105328615. The cubic root of 22045941 is about 280.3988406230.

Adding to 22045941 its reverse (14954022), we get a palindrome (36999963).

The spelling of 22045941 in words is "twenty-two million, forty-five thousand, nine hundred forty-one".