8220522046 has 16 divisors (see below), whose sum is σ = 14036623488. Its totient is φ = 3574139800.

The previous prime is 8220521971. The next prime is 8220522049. The reversal of 8220522046 is 6402250228.

It is a super-2 number, since 2×8220522046² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8220521999 and 8220522017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8220522049) 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, 8122540 + ... + 8123551.

It is an arithmetic number, because the mean of its divisors is an integer number (877288968).

Almost surely, 2^8220522046 is an apocalyptic number.

8220522046 is a deficient number, since it is larger than the sum of its proper divisors (5816101442).

8220522046 is a wasteful number, since it uses less digits than its factorization.

8220522046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16246127.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 8220522046 is about 90667.0946154116. The cubic root of 8220522046 is about 2018.2105223520.

The spelling of 8220522046 in words is "eight billion, two hundred twenty million, five hundred twenty-two thousand, forty-six".