7422248 has 16 divisors (see below), whose sum is σ = 13972500. Its totient is φ = 3696256.

The previous prime is 7422229. The next prime is 7422253. The reversal of 7422248 is 8422247.

It can be written as a sum of positive squares in 2 ways, for example, as 4919524 + 2502724 = 2218^2 + 1582^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7422248.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428 + ... + 3876.

Almost surely, 2^7422248 is an apocalyptic number.

It is an amenable number.

7422248 is a deficient number, since it is larger than the sum of its proper divisors (6550252).

7422248 is a wasteful number, since it uses less digits than its factorization.

7422248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3724 (or 3720 counting only the distinct ones).

The product of its digits is 7168, while the sum is 29.

The square root of 7422248 is about 2724.3802965078. The cubic root of 7422248 is about 195.0646115061.

Subtracting 7422248 from its reverse (8422247), we obtain a palindrome (999999).

It can be divided in two parts, 74 and 22248, that added together give a palindrome (22322).

The spelling of 7422248 in words is "seven million, four hundred twenty-two thousand, two hundred forty-eight".