221453104 has 20 divisors (see below), whose sum is σ = 431702776. Its totient is φ = 110045952.

The previous prime is 221453081. The next prime is 221453107. The reversal of 221453104 is 401354122.

It is not an unprimeable number, because it can be changed into a prime (221453107) 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 3 ways as a sum of consecutive naturals, for example, 39849 + ... + 45064.

Almost surely, 2^221453104 is an apocalyptic number.

It is an amenable number.

221453104 is a deficient number, since it is larger than the sum of its proper divisors (210249672).

221453104 is a wasteful number, since it uses less digits than its factorization.

221453104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85084 (or 85078 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 221453104 is about 14881.3004808048. The cubic root of 221453104 is about 605.0072662652.

The spelling of 221453104 in words is "two hundred twenty-one million, four hundred fifty-three thousand, one hundred four".