82211324 has 12 divisors (see below), whose sum is σ = 154936824. Its totient is φ = 37943664.

The previous prime is 82211281. The next prime is 82211329. The reversal of 82211324 is 42311228.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 82211324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82211329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790442 + ... + 790545.

It is an arithmetic number, because the mean of its divisors is an integer number (12911402).

Almost surely, 2^82211324 is an apocalyptic number.

It is an amenable number.

82211324 is a deficient number, since it is larger than the sum of its proper divisors (72725500).

82211324 is a wasteful number, since it uses less digits than its factorization.

82211324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581004 (or 1581002 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 82211324 is about 9067.0460459843. The cubic root of 82211324 is about 434.8210370538.

The spelling of 82211324 in words is "eighty-two million, two hundred eleven thousand, three hundred twenty-four".