7238220 has 72 divisors (see below), whose sum is σ = 22299312. Its totient is φ = 1752960.

The previous prime is 7238207. The next prime is 7238267. The reversal of 7238220 is 228327.

7238220 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6762 + ... + 7758.

Almost surely, 2^7238220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7238220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11149656).

7238220 is an abundant number, since it is smaller than the sum of its proper divisors (15061092).

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

7238220 is a wasteful number, since it uses less digits than its factorization.

7238220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 7238220 is about 2690.3940231869. The cubic root of 7238220 is about 193.4389500867.

The spelling of 7238220 in words is "seven million, two hundred thirty-eight thousand, two hundred twenty".