8222786 has 16 divisors (see below), whose sum is σ = 14491008. Its totient is φ = 3450000.

The previous prime is 8222783. The next prime is 8222807. The reversal of 8222786 is 6872228.

It is a super-2 number, since 2×8222786² = 135228419203592, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8222783) 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, 14090 + ... + 14661.

It is an arithmetic number, because the mean of its divisors is an integer number (905688).

Almost surely, 2^8222786 is an apocalyptic number.

8222786 is a deficient number, since it is larger than the sum of its proper divisors (6268222).

8222786 is a wasteful number, since it uses less digits than its factorization.

8222786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28777.

The product of its digits is 21504, while the sum is 35.

The square root of 8222786 is about 2867.5400607489. The cubic root of 8222786 is about 201.8395778891.

The spelling of 8222786 in words is "eight million, two hundred twenty-two thousand, seven hundred eighty-six".