221453234 has 8 divisors (see below), whose sum is σ = 332252928. Its totient is φ = 110702260.

The previous prime is 221453191. The next prime is 221453317. The reversal of 221453234 is 432354122.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2939 + ... + 21249.

It is an arithmetic number, because the mean of its divisors is an integer number (41531616).

Almost surely, 2^221453234 is an apocalyptic number.

221453234 is a deficient number, since it is larger than the sum of its proper divisors (110799694).

221453234 is a wasteful number, since it uses less digits than its factorization.

221453234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24360.

The product of its digits is 5760, while the sum is 26.

The square root of 221453234 is about 14881.3048487019. The cubic root of 221453234 is about 605.0073846513.

The spelling of 221453234 in words is "two hundred twenty-one million, four hundred fifty-three thousand, two hundred thirty-four".