221098053 has 8 divisors (see below), whose sum is σ = 321597216. Its totient is φ = 133998800.

The previous prime is 221098043. The next prime is 221098067. The reversal of 221098053 is 350890122.

It is a happy number.

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 221098053 - 2²² = 216903749 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 221098053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221098043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3349938 + ... + 3350003.

It is an arithmetic number, because the mean of its divisors is an integer number (40199652).

Almost surely, 2^221098053 is an apocalyptic number.

It is an amenable number.

221098053 is a deficient number, since it is larger than the sum of its proper divisors (100499163).

221098053 is a wasteful number, since it uses less digits than its factorization.

221098053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6699955.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 221098053 is about 14869.3662608734. The cubic root of 221098053 is about 604.6837616005.

The spelling of 221098053 in words is "two hundred twenty-one million, ninety-eight thousand, fifty-three".