82214722 has 4 divisors (see below), whose sum is σ = 123322086. Its totient is φ = 41107360.

The previous prime is 82214711. The next prime is 82214723. The reversal of 82214722 is 22741228.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 79049881 + 3164841 = 8891^2 + 1779^2 .

It is not an unprimeable number, because it can be changed into a prime (82214723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20553679 + ... + 20553682.

Almost surely, 2^82214722 is an apocalyptic number.

82214722 is a deficient number, since it is larger than the sum of its proper divisors (41107364).

82214722 is a wasteful number, since it uses less digits than its factorization.

82214722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41107363.

The product of its digits is 3584, while the sum is 28.

The square root of 82214722 is about 9067.2334259133. The cubic root of 82214722 is about 434.8270277189.

The spelling of 82214722 in words is "eighty-two million, two hundred fourteen thousand, seven hundred twenty-two".