7226380 has 48 divisors (see below), whose sum is σ = 17611776. Its totient is φ = 2439360.

The previous prime is 7226371. The next prime is 7226381. The reversal of 7226380 is 836227.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (7226381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9577 + ... + 10303.

It is an arithmetic number, because the mean of its divisors is an integer number (366912).

Almost surely, 2^7226380 is an apocalyptic number.

7226380 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7226380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8805888).

7226380 is an abundant number, since it is smaller than the sum of its proper divisors (10385396).

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

7226380 is a wasteful number, since it uses less digits than its factorization.

7226380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 7226380 is about 2688.1927014260. The cubic root of 7226380 is about 193.3334192099. Note that the first 3 decimals are identical.

The spelling of 7226380 in words is "seven million, two hundred twenty-six thousand, three hundred eighty".