82221414 has 16 divisors (see below), whose sum is σ = 179392320. Its totient is φ = 24915560.

The previous prime is 82221319. The next prime is 82221431. The reversal of 82221414 is 41412228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622824 + ... + 622955.

It is an arithmetic number, because the mean of its divisors is an integer number (11212020).

Almost surely, 2^82221414 is an apocalyptic number.

82221414 is an abundant number, since it is smaller than the sum of its proper divisors (97170906).

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

82221414 is a wasteful number, since it uses less digits than its factorization.

82221414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245795.

The product of its digits is 1024, while the sum is 24.

The square root of 82221414 is about 9067.6024394544. The cubic root of 82221414 is about 434.8388252148.

It can be divided in two parts, 822214 and 14, that added together give a palindrome (822228).

The spelling of 82221414 in words is "eighty-two million, two hundred twenty-one thousand, four hundred fourteen".