7628226 has 32 divisors (see below), whose sum is σ = 16063488. Its totient is φ = 2410320.

The previous prime is 7628221. The next prime is 7628251. The reversal of 7628226 is 6228267.

It is not an unprimeable number, because it can be changed into a prime (7628221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22881 + ... + 23211.

It is an arithmetic number, because the mean of its divisors is an integer number (501984).

Almost surely, 2^7628226 is an apocalyptic number.

7628226 is an abundant number, since it is smaller than the sum of its proper divisors (8435262).

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

7628226 is a wasteful number, since it uses less digits than its factorization.

7628226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526.

The product of its digits is 16128, while the sum is 33.

The square root of 7628226 is about 2761.9243291589. The cubic root of 7628226 is about 196.8526129243.

The spelling of 7628226 in words is "seven million, six hundred twenty-eight thousand, two hundred twenty-six".