221514854 has 32 divisors (see below), whose sum is σ = 371990016. Its totient is φ = 98068320.

The previous prime is 221514823. The next prime is 221514899. The reversal of 221514854 is 458415122.

221514854 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 221514854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292244 + ... + 293000.

It is an arithmetic number, because the mean of its divisors is an integer number (11624688).

Almost surely, 2^221514854 is an apocalyptic number.

221514854 is a deficient number, since it is larger than the sum of its proper divisors (150475162).

221514854 is a wasteful number, since it uses less digits than its factorization.

221514854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100.

The product of its digits is 12800, while the sum is 32.

The square root of 221514854 is about 14883.3750876607. The cubic root of 221514854 is about 605.0634944630.

Adding to 221514854 its reverse (458415122), we get a palindrome (679929976).

The spelling of 221514854 in words is "two hundred twenty-one million, five hundred fourteen thousand, eight hundred fifty-four".