22040541 has 6 divisors (see below), whose sum is σ = 31836350. Its totient is φ = 14693688.

The previous prime is 22040533. The next prime is 22040569. The reversal of 22040541 is 14504022.

22040541 is a `hidden beast` number, since 220 + 405 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11249316 + 10791225 = 3354^2 + 3285^2 .

It is not a de Polignac number, because 22040541 - 2³ = 22040533 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 (22040531) 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, 1224466 + ... + 1224483.

Almost surely, 2^22040541 is an apocalyptic number.

It is an amenable number.

22040541 is a deficient number, since it is larger than the sum of its proper divisors (9795809).

22040541 is a wasteful number, since it uses less digits than its factorization.

22040541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448955 (or 2448952 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 22040541 is about 4694.7354558058. The cubic root of 22040541 is about 280.3759448379.

Adding to 22040541 its reverse (14504022), we get a palindrome (36544563).

The spelling of 22040541 in words is "twenty-two million, forty thousand, five hundred forty-one".