7228506 has 16 divisors (see below), whose sum is σ = 14765184. Its totient is φ = 2358144.

The previous prime is 7228499. The next prime is 7228517. The reversal of 7228506 is 6058227.

It is a d-powerful number, because it can be written as 7⁸ + 2¹⁷ + 2²⁰ + 8⁴ + 5² + 0 + 6⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12535 + ... + 13098.

It is an arithmetic number, because the mean of its divisors is an integer number (922824).

Almost surely, 2^7228506 is an apocalyptic number.

7228506 is an abundant number, since it is smaller than the sum of its proper divisors (7536678).

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

7228506 is a wasteful number, since it uses less digits than its factorization.

7228506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25685.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 7228506 is about 2688.5881053073. The cubic root of 7228506 is about 193.3523769060.

The spelling of 7228506 in words is "seven million, two hundred twenty-eight thousand, five hundred six".