22022541 has 12 divisors (see below), whose sum is σ = 32054880. Its totient is φ = 14568840.

The previous prime is 22022509. The next prime is 22022543. The reversal of 22022541 is 14522022.

It is not a de Polignac number, because 22022541 - 2⁵ = 22022509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8161 + ... + 10518.

It is an arithmetic number, because the mean of its divisors is an integer number (2671240).

Almost surely, 2^22022541 is an apocalyptic number.

It is an amenable number.

22022541 is a deficient number, since it is larger than the sum of its proper divisors (10032339).

22022541 is a wasteful number, since it uses less digits than its factorization.

22022541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18816 (or 18813 counting only the distinct ones).

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

The square root of 22022541 is about 4692.8180233203. The cubic root of 22022541 is about 280.2995985345.

Adding to 22022541 its reverse (14522022), we get a palindrome (36544563).

The spelling of 22022541 in words is "twenty-two million, twenty-two thousand, five hundred forty-one".