22173541 has 8 divisors (see below), whose sum is σ = 24917760. Its totient is φ = 19577712.

The previous prime is 22173539. The next prime is 22173553. The reversal of 22173541 is 14537122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22173541 - 2¹ = 22173539 is a prime.

It is a super-3 number, since 3×22173541³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22173511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36781 + ... + 37378.

It is an arithmetic number, because the mean of its divisors is an integer number (3114720).

Almost surely, 2^22173541 is an apocalyptic number.

It is an amenable number.

22173541 is a deficient number, since it is larger than the sum of its proper divisors (2744219).

22173541 is a wasteful number, since it uses less digits than its factorization.

22173541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74195.

The product of its digits is 1680, while the sum is 25.

The square root of 22173541 is about 4708.8789536364. The cubic root of 22173541 is about 280.9387750081.

The spelling of 22173541 in words is "twenty-two million, one hundred seventy-three thousand, five hundred forty-one".