8222288040 has 96 divisors (see below), whose sum is σ = 26738155080. Its totient is φ = 2191320576.

The previous prime is 8222288023. The next prime is 8222288047. The reversal of 8222288040 is 408822228.

It can be written as a sum of positive squares in 4 ways, for example, as 3325367556 + 4896920484 = 57666^2 + 69978^2 .

It is a super-2 number, since 2×8222288040² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8222287986 and 8222288004.

It is not an unprimeable number, because it can be changed into a prime (8222288047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 713202 + ... + 724638.

Almost surely, 2^8222288040 is an apocalyptic number.

It is an amenable number.

8222288040 is an abundant number, since it is smaller than the sum of its proper divisors (18515867040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8222288040 is a wasteful number, since it uses less digits than its factorization.

8222288040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13451 (or 13444 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 8222288040 is about 90676.8329839546. The cubic root of 8222288040 is about 2018.3550343614.

The spelling of 8222288040 in words is "eight billion, two hundred twenty-two million, two hundred eighty-eight thousand, forty".