221053234 has 8 divisors (see below), whose sum is σ = 336529008. Its totient is φ = 108876900.

The previous prime is 221053213. The next prime is 221053237. The reversal of 221053234 is 432350122.

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

It is not an unprimeable number, because it can be changed into a prime (221053237) 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, 824692 + ... + 824959.

It is an arithmetic number, because the mean of its divisors is an integer number (42066126).

Almost surely, 2^221053234 is an apocalyptic number.

221053234 is a deficient number, since it is larger than the sum of its proper divisors (115475774).

221053234 is a wasteful number, since it uses less digits than its factorization.

221053234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649720.

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

The square root of 221053234 is about 14867.8590926872. The cubic root of 221053234 is about 604.6429001627.

The spelling of 221053234 in words is "two hundred twenty-one million, fifty-three thousand, two hundred thirty-four".