221054514 has 8 divisors (see below), whose sum is σ = 442109040. Its totient is φ = 73684836.

The previous prime is 221054513. The next prime is 221054527. The reversal of 221054514 is 415450122.

221054514 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

221054514 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (221054513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18421204 + ... + 18421215.

It is an arithmetic number, because the mean of its divisors is an integer number (55263630).

Almost surely, 2^221054514 is an apocalyptic number.

221054514 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221054514 is a wasteful number, since it uses less digits than its factorization.

221054514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36842424.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 221054514 is about 14867.9021384996. The cubic root of 221054514 is about 604.6440672141.

The spelling of 221054514 in words is "two hundred twenty-one million, fifty-four thousand, five hundred fourteen".