221446614 has 16 divisors (see below), whose sum is σ = 451250352. Its totient is φ = 72422688.

The previous prime is 221446597. The next prime is 221446649. The reversal of 221446614 is 416644122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 347869 + ... + 348504.

It is an arithmetic number, because the mean of its divisors is an integer number (28203147).

Almost surely, 2^221446614 is an apocalyptic number.

221446614 is an abundant number, since it is smaller than the sum of its proper divisors (229803738).

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

221446614 is a wasteful number, since it uses less digits than its factorization.

221446614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696431.

The product of its digits is 9216, while the sum is 30.

The square root of 221446614 is about 14881.0824203080. The cubic root of 221446614 is about 605.0013560063.

It can be divided in two parts, 2214 and 46614, that added together give a triangular number (48828 = T₃₁₂).

The spelling of 221446614 in words is "two hundred twenty-one million, four hundred forty-six thousand, six hundred fourteen".