7153228 has 12 divisors (see below), whose sum is σ = 12537000. Its totient is φ = 3571232.

The previous prime is 7153217. The next prime is 7153261. The reversal of 7153228 is 8223517.

It is a junction number, because it is equal to n+sod(n) for n = 7153196 and 7153205.

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, 4023 + ... + 5521.

It is an arithmetic number, because the mean of its divisors is an integer number (1044750).

Almost surely, 2^7153228 is an apocalyptic number.

It is an amenable number.

7153228 is a deficient number, since it is larger than the sum of its proper divisors (5383772).

7153228 is a wasteful number, since it uses less digits than its factorization.

7153228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696 (or 2694 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 7153228 is about 2674.5519250895. The cubic root of 7153228 is about 192.6788398152.

It can be divided in two parts, 7153 and 228, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 7153228 in words is "seven million, one hundred fifty-three thousand, two hundred twenty-eight".