7988226 has 16 divisors (see below), whose sum is σ = 16408704. Its totient is φ = 2590704.

The previous prime is 7988221. The next prime is 7988237. The reversal of 7988226 is 6228897.

It is a happy number.

It is a d-powerful number, because it can be written as 7⁴ + 9⁴ + 8⁴ + 8⁴ + 2²¹ + 2²² + 6⁸ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7988221) 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, 17770 + ... + 18213.

It is an arithmetic number, because the mean of its divisors is an integer number (1025544).

Almost surely, 2^7988226 is an apocalyptic number.

7988226 is an abundant number, since it is smaller than the sum of its proper divisors (8420478).

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

7988226 is a wasteful number, since it uses less digits than its factorization.

7988226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36025.

The product of its digits is 96768, while the sum is 42.

The square root of 7988226 is about 2826.3449895581. The cubic root of 7988226 is about 199.9018351595.

The spelling of 7988226 in words is "seven million, nine hundred eighty-eight thousand, two hundred twenty-six".