7222448 has 20 divisors (see below), whose sum is σ = 14035560. Its totient is φ = 3600384.

The previous prime is 7222429. The next prime is 7222493. The reversal of 7222448 is 8442227.

It is a super-2 number, since 2×7222448² = 104327510225408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7222448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9008 + ... + 9776.

It is an arithmetic number, because the mean of its divisors is an integer number (701778).

Almost surely, 2^7222448 is an apocalyptic number.

It is an amenable number.

7222448 is a deficient number, since it is larger than the sum of its proper divisors (6813112).

7222448 is a wasteful number, since it uses less digits than its factorization.

7222448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364 (or 1358 counting only the distinct ones).

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

The square root of 7222448 is about 2687.4612555347. The cubic root of 7222448 is about 193.2983474809.

The spelling of 7222448 in words is "seven million, two hundred twenty-two thousand, four hundred forty-eight".