7220380 has 24 divisors (see below), whose sum is σ = 15961680. Its totient is φ = 2736000.

The previous prime is 7220377. The next prime is 7220383. The reversal of 7220380 is 830227.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7220377) and next prime (7220383).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220383) 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, 9121 + ... + 9880.

It is an arithmetic number, because the mean of its divisors is an integer number (665070).

Almost surely, 2^7220380 is an apocalyptic number.

It is an amenable number.

7220380 is an abundant number, since it is smaller than the sum of its proper divisors (8741300).

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

7220380 is a wasteful number, since it uses less digits than its factorization.

7220380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19029 (or 19027 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 7220380 is about 2687.0764782566. The cubic root of 7220380 is about 193.2798967127.

The spelling of 7220380 in words is "seven million, two hundred twenty thousand, three hundred eighty".