7225488 has 30 divisors (see below), whose sum is σ = 20221734. Its totient is φ = 2408448.

The previous prime is 7225487. The next prime is 7225489. The reversal of 7225488 is 8845227.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7225487) and next prime (7225489).

It can be written as a sum of positive squares in only one way, i.e., 7225344 + 144 = 2688^2 + 12^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7225483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24945 + ... + 25232.

Almost surely, 2^7225488 is an apocalyptic number.

It is an amenable number.

7225488 is an abundant number, since it is smaller than the sum of its proper divisors (12996246).

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

7225488 is a wasteful number, since it uses less digits than its factorization.

7225488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50191 (or 50182 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 7225488 is about 2688.0267855808. The cubic root of 7225488 is about 193.3254640739.

The spelling of 7225488 in words is "seven million, two hundred twenty-five thousand, four hundred eighty-eight".