82422949 has 6 divisors (see below), whose sum is σ = 95879814. Its totient is φ = 70648200.

The previous prime is 82422947. The next prime is 82422971. The reversal of 82422949 is 94922428.

It can be written as a sum of positive squares in only one way, i.e., 73530625 + 8892324 = 8575^2 + 2982^2 .

It is not a de Polignac number, because 82422949 - 2¹ = 82422947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82422947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 841002 + ... + 841099.

It is an arithmetic number, because the mean of its divisors is an integer number (15979969).

Almost surely, 2^82422949 is an apocalyptic number.

It is an amenable number.

82422949 is a deficient number, since it is larger than the sum of its proper divisors (13456865).

82422949 is a wasteful number, since it uses less digits than its factorization.

82422949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682115 (or 1682108 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 82422949 is about 9078.7085535334. The cubic root of 82422949 is about 435.1938168326.

The spelling of 82422949 in words is "eighty-two million, four hundred twenty-two thousand, nine hundred forty-nine".