72227248 has 20 divisors (see below), whose sum is σ = 140159680. Its totient is φ = 36057024.

The previous prime is 72227231. The next prime is 72227261. The reversal of 72227248 is 84272227.

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, 8161 + ... + 14527.

It is an arithmetic number, because the mean of its divisors is an integer number (7007984).

Almost surely, 2^72227248 is an apocalyptic number.

It is an amenable number.

72227248 is a deficient number, since it is larger than the sum of its proper divisors (67932432).

72227248 is a wasteful number, since it uses less digits than its factorization.

72227248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084 (or 7078 counting only the distinct ones).

The product of its digits is 25088, while the sum is 34.

The square root of 72227248 is about 8498.6615416782. The cubic root of 72227248 is about 416.4539853963.

The spelling of 72227248 in words is "seventy-two million, two hundred twenty-seven thousand, two hundred forty-eight".