7228380 has 24 divisors (see below), whose sum is σ = 20239632. Its totient is φ = 1927552.

The previous prime is 7228373. The next prime is 7228391. The reversal of 7228380 is 838227.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 60177 + ... + 60296.

It is an arithmetic number, because the mean of its divisors is an integer number (843318).

Almost surely, 2^7228380 is an apocalyptic number.

It is an amenable number.

7228380 is an abundant number, since it is smaller than the sum of its proper divisors (13011252).

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

7228380 is a wasteful number, since it uses less digits than its factorization.

7228380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120485 (or 120483 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 7228380 is about 2688.5646728320. The cubic root of 7228380 is about 193.3512534585.

The spelling of 7228380 in words is "seven million, two hundred twenty-eight thousand, three hundred eighty".