22097541 has 4 divisors (see below), whose sum is σ = 29463392. Its totient is φ = 14731692.

The previous prime is 22097539. The next prime is 22097561. The reversal of 22097541 is 14579022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22097541 - 2¹ = 22097539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22097499 and 22097508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22097521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3682921 + ... + 3682926.

It is an arithmetic number, because the mean of its divisors is an integer number (7365848).

Almost surely, 2^22097541 is an apocalyptic number.

It is an amenable number.

22097541 is a deficient number, since it is larger than the sum of its proper divisors (7365851).

22097541 is an equidigital number, since it uses as much as digits as its factorization.

22097541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7365850.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 22097541 is about 4700.8021655883. The cubic root of 22097541 is about 280.6174342499.

The spelling of 22097541 in words is "twenty-two million, ninety-seven thousand, five hundred forty-one".