8272224 has 36 divisors (see below), whose sum is σ = 23524956. Its totient is φ = 2757312.

The previous prime is 8272219. The next prime is 8272241. The reversal of 8272224 is 4222728.

8272224 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14074 + ... + 14649.

It is an arithmetic number, because the mean of its divisors is an integer number (653471).

Almost surely, 2^8272224 is an apocalyptic number.

It is an amenable number.

8272224 is an abundant number, since it is smaller than the sum of its proper divisors (15252732).

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

8272224 is a wasteful number, since it uses less digits than its factorization.

8272224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28739 (or 28728 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 8272224 is about 2876.1474232035. The cubic root of 8272224 is about 202.2432777836.

The spelling of 8272224 in words is "eight million, two hundred seventy-two thousand, two hundred twenty-four".