8227290 has 16 divisors (see below), whose sum is σ = 19745568. Its totient is φ = 2193936.

The previous prime is 8227279. The next prime is 8227291. The reversal of 8227290 is 927228.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 274243 = 8227290 / (8 + 2 + 2 + 7 + 2 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (8227291) 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, 137092 + ... + 137151.

It is an arithmetic number, because the mean of its divisors is an integer number (1234098).

Almost surely, 2^8227290 is an apocalyptic number.

8227290 is an abundant number, since it is smaller than the sum of its proper divisors (11518278).

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

8227290 is a wasteful number, since it uses less digits than its factorization.

8227290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274253.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 8227290 is about 2868.3252953596. The cubic root of 8227290 is about 201.8764234516.

It can be divided in two parts, 82 and 27290, that added together give a palindrome (27372).

The spelling of 8227290 in words is "eight million, two hundred twenty-seven thousand, two hundred ninety".