82772822 has 16 divisors (see below), whose sum is σ = 136209600. Its totient is φ = 37412040.

The previous prime is 82772773. The next prime is 82772827. The reversal of 82772822 is 22827728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82772827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6572 + ... + 14447.

It is an arithmetic number, because the mean of its divisors is an integer number (8513100).

Almost surely, 2^82772822 is an apocalyptic number.

82772822 is a deficient number, since it is larger than the sum of its proper divisors (53436778).

82772822 is a wasteful number, since it uses less digits than its factorization.

82772822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21211.

The product of its digits is 50176, while the sum is 38.

The square root of 82772822 is about 9097.9570234201. The cubic root of 82772822 is about 435.8087249817.

The spelling of 82772822 in words is "eighty-two million, seven hundred seventy-two thousand, eight hundred twenty-two".