7290227 has 4 divisors (see below), whose sum is σ = 8331696. Its totient is φ = 6248760.

The previous prime is 7290193. The next prime is 7290233. The reversal of 7290227 is 7220927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7220927 = 7 ⋅1031561.

It is not a de Polignac number, because 7290227 - 2¹⁰ = 7289203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7290227.

It is not an unprimeable number, because it can be changed into a prime (7290527) 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, 520724 + ... + 520737.

It is an arithmetic number, because the mean of its divisors is an integer number (2082924).

Almost surely, 2^7290227 is an apocalyptic number.

7290227 is a deficient number, since it is larger than the sum of its proper divisors (1041469).

7290227 is a wasteful number, since it uses less digits than its factorization.

7290227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041468.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 7290227 is about 2700.0420367098. The cubic root of 7290227 is about 193.9011346609.

The spelling of 7290227 in words is "seven million, two hundred ninety thousand, two hundred twenty-seven".