221414034 has 16 divisors (see below), whose sum is σ = 442974240. Its totient is φ = 73780320.

The previous prime is 221414033. The next prime is 221414047. The reversal of 221414034 is 430414122.

It is a self number, because there is not a number n which added to its sum of digits gives 221414034.

It is not an unprimeable number, because it can be changed into a prime (221414033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30694 + ... + 37214.

It is an arithmetic number, because the mean of its divisors is an integer number (27685890).

Almost surely, 2^221414034 is an apocalyptic number.

221414034 is an abundant number, since it is smaller than the sum of its proper divisors (221560206).

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

221414034 is a wasteful number, since it uses less digits than its factorization.

221414034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12185.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 221414034 is about 14879.9877016078. The cubic root of 221414034 is about 604.9716845797.

Adding to 221414034 its reverse (430414122), we get a palindrome (651828156).

The spelling of 221414034 in words is "two hundred twenty-one million, four hundred fourteen thousand, thirty-four".