221034899 has 8 divisors (see below), whose sum is σ = 230979840. Its totient is φ = 211117896.

The previous prime is 221034889. The next prime is 221034997. The reversal of 221034899 is 998430122.

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 221034899 - 2¹⁶ = 220969363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221034829) 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, 10112 + ... + 23330.

It is an arithmetic number, because the mean of its divisors is an integer number (28872480).

Almost surely, 2^221034899 is an apocalyptic number.

221034899 is a deficient number, since it is larger than the sum of its proper divisors (9944941).

221034899 is a wasteful number, since it uses less digits than its factorization.

221034899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13969.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 221034899 is about 14867.2424813750. The cubic root of 221034899 is about 604.6261825696.

The spelling of 221034899 in words is "two hundred twenty-one million, thirty-four thousand, eight hundred ninety-nine".