7269228 has 18 divisors (see below), whose sum is σ = 18375084. Its totient is φ = 2423064.

The previous prime is 7269209. The next prime is 7269233. The reversal of 7269228 is 8229627.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 201923 = 7269228 / (7 + 2 + 6 + 9 + 2 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 7269192 and 7269201.

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, 100926 + ... + 100997.

It is an arithmetic number, because the mean of its divisors is an integer number (1020838).

Almost surely, 2^7269228 is an apocalyptic number.

It is an amenable number.

7269228 is an abundant number, since it is smaller than the sum of its proper divisors (11105856).

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

7269228 is a wasteful number, since it uses less digits than its factorization.

7269228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201933 (or 201928 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 7269228 is about 2696.1505892661. The cubic root of 7269228 is about 193.7147826382.

The spelling of 7269228 in words is "seven million, two hundred sixty-nine thousand, two hundred twenty-eight".