7228541 has 4 divisors (see below), whose sum is σ = 7243872. Its totient is φ = 7213212.

The previous prime is 7228523. The next prime is 7228547. The reversal of 7228541 is 1458227.

7228541 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1458227 = 83 ⋅17569.

It is a cyclic number.

It is not a de Polignac number, because 7228541 - 2⁶ = 7228477 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7228547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6935 + ... + 7908.

It is an arithmetic number, because the mean of its divisors is an integer number (1810968).

Almost surely, 2^7228541 is an apocalyptic number.

It is an amenable number.

7228541 is a deficient number, since it is larger than the sum of its proper divisors (15331).

7228541 is a wasteful number, since it uses less digits than its factorization.

7228541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15330.

The product of its digits is 4480, while the sum is 29.

The square root of 7228541 is about 2688.5946142920. The cubic root of 7228541 is about 193.3526889724.

The spelling of 7228541 in words is "seven million, two hundred twenty-eight thousand, five hundred forty-one".