8219272 has 8 divisors (see below), whose sum is σ = 15411150. Its totient is φ = 4109632.

The previous prime is 8219269. The next prime is 8219317. The reversal of 8219272 is 2729128.

It can be written as a sum of positive squares in only one way, i.e., 7650756 + 568516 = 2766^2 + 754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513697 + ... + 513712.

Almost surely, 2^8219272 is an apocalyptic number.

It is an amenable number.

8219272 is a deficient number, since it is larger than the sum of its proper divisors (7191878).

8219272 is a wasteful number, since it uses less digits than its factorization.

8219272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027415 (or 1027411 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 8219272 is about 2866.9272749758. The cubic root of 8219272 is about 201.8108218067.

The spelling of 8219272 in words is "eight million, two hundred nineteen thousand, two hundred seventy-two".