8220470626 has 4 divisors (see below), whose sum is σ = 12330705942. Its totient is φ = 4110235312.

The previous prime is 8220470579. The next prime is 8220470627. The reversal of 8220470626 is 6260740228.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7022272401 + 1198198225 = 83799^2 + 34615^2 .

It is a super-2 number, since 2×8220470626² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8220470627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2055117655 + ... + 2055117658.

Almost surely, 2^8220470626 is an apocalyptic number.

8220470626 is a deficient number, since it is larger than the sum of its proper divisors (4110235316).

8220470626 is a wasteful number, since it uses less digits than its factorization.

8220470626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110235315.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 8220470626 is about 90666.8110501301. The cubic root of 8220470626 is about 2018.2063143223.

The spelling of 8220470626 in words is "eight billion, two hundred twenty million, four hundred seventy thousand, six hundred twenty-six".