82220048 has 10 divisors (see below), whose sum is σ = 159301374. Its totient is φ = 41110016.

The previous prime is 82220023. The next prime is 82220051. The reversal of 82220048 is 84002228.

It can be written as a sum of positive squares in only one way, i.e., 75829264 + 6390784 = 8708^2 + 2528^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82219999 and 82220026.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2569361 + ... + 2569392.

Almost surely, 2^82220048 is an apocalyptic number.

It is an amenable number.

82220048 is a deficient number, since it is larger than the sum of its proper divisors (77081326).

82220048 is a wasteful number, since it uses less digits than its factorization.

82220048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5138761 (or 5138755 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 82220048 is about 9067.5271160333. The cubic root of 82220048 is about 434.8364171109.

The spelling of 82220048 in words is "eighty-two million, two hundred twenty thousand, forty-eight".