221035342 has 8 divisors (see below), whose sum is σ = 361694232. Its totient is φ = 100470600.

The previous prime is 221035291. The next prime is 221035349. The reversal of 221035342 is 243530122.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 10047061 = 221035342 / (2 + 2 + 1 + 0 + 3 + 5 + 3 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221035349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5023509 + ... + 5023552.

It is an arithmetic number, because the mean of its divisors is an integer number (45211779).

Almost surely, 2^221035342 is an apocalyptic number.

221035342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221035342 is a deficient number, since it is larger than the sum of its proper divisors (140658890).

221035342 is a wasteful number, since it uses less digits than its factorization.

221035342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10047074.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 221035342 is about 14867.2573798936. The cubic root of 221035342 is about 604.6265865016.

Adding to 221035342 its reverse (243530122), we get a palindrome (464565464).

The spelling of 221035342 in words is "two hundred twenty-one million, thirty-five thousand, three hundred forty-two".