7223488 has 28 divisors (see below), whose sum is σ = 14584680. Its totient is φ = 3548672.

The previous prime is 7223483. The next prime is 7223497. The reversal of 7223488 is 8843227.

It is a super-2 number, since 2×7223488² = 104357557772288, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7223483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2820 + ... + 4732.

Almost surely, 2^7223488 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 7223488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7292340).

7223488 is an abundant number, since it is smaller than the sum of its proper divisors (7361192).

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

7223488 is a wasteful number, since it uses less digits than its factorization.

7223488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984 (or 1974 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 7223488 is about 2687.6547397313. The cubic root of 7223488 is about 193.3076250662.

The spelling of 7223488 in words is "seven million, two hundred twenty-three thousand, four hundred eighty-eight".