7228491 has 8 divisors (see below), whose sum is σ = 9746640. Its totient is φ = 4764672.

The previous prime is 7228483. The next prime is 7228499. The reversal of 7228491 is 1948227.

It is a happy number.

7228491 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7228483) and next prime (7228499).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7228491 - 2³ = 7228483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7228499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13270 + ... + 13803.

It is an arithmetic number, because the mean of its divisors is an integer number (1218330).

Almost surely, 2^7228491 is an apocalyptic number.

7228491 is a deficient number, since it is larger than the sum of its proper divisors (2518149).

7228491 is a wasteful number, since it uses less digits than its factorization.

7228491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27165.

The product of its digits is 8064, while the sum is 33.

The square root of 7228491 is about 2688.5853157376. The cubic root of 7228491 is about 193.3522431629.

The spelling of 7228491 in words is "seven million, two hundred twenty-eight thousand, four hundred ninety-one".