221453033 has 8 divisors (see below), whose sum is σ = 235418400. Its totient is φ = 207592000.

The previous prime is 221453021. The next prime is 221453041. The reversal of 221453033 is 330354122.

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 221453033 - 2²⁴ = 204675817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221453003) 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, 21683 + ... + 30216.

It is an arithmetic number, because the mean of its divisors is an integer number (29427300).

Almost surely, 2^221453033 is an apocalyptic number.

It is an amenable number.

221453033 is a deficient number, since it is larger than the sum of its proper divisors (13965367).

221453033 is a wasteful number, since it uses less digits than its factorization.

221453033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52167.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 221453033 is about 14881.2980952604. The cubic root of 221453033 is about 605.0072016081.

The spelling of 221453033 in words is "two hundred twenty-one million, four hundred fifty-three thousand, thirty-three".