222143541 has 8 divisors (see below), whose sum is σ = 299124384. Its totient is φ = 146629200.

The previous prime is 222143533. The next prime is 222143561. The reversal of 222143541 is 145341222.

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

It is not a de Polignac number, because 222143541 - 2³ = 222143533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222143521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366271 + ... + 366876.

It is an arithmetic number, because the mean of its divisors is an integer number (37390548).

Almost surely, 2^222143541 is an apocalyptic number.

It is an amenable number.

222143541 is a deficient number, since it is larger than the sum of its proper divisors (76980843).

222143541 is a wasteful number, since it uses less digits than its factorization.

222143541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733251.

The product of its digits is 1920, while the sum is 24.

The square root of 222143541 is about 14904.4805679366. The cubic root of 222143541 is about 605.6353692042.

Adding to 222143541 its reverse (145341222), we get a palindrome (367484763).

The spelling of 222143541 in words is "two hundred twenty-two million, one hundred forty-three thousand, five hundred forty-one".