7229477 has 2 divisors, whose sum is σ = 7229478. Its totient is φ = 7229476.

The previous prime is 7229473. The next prime is 7229513. The reversal of 7229477 is 7749227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7043716 + 185761 = 2654^2 + 431^2 .

It is an emirp because it is prime and its reverse (7749227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7229477 - 2² = 7229473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7229477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7229473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3614738 + 3614739.

It is an arithmetic number, because the mean of its divisors is an integer number (3614739).

Almost surely, 2^7229477 is an apocalyptic number.

It is an amenable number.

7229477 is a deficient number, since it is larger than the sum of its proper divisors (1).

7229477 is an equidigital number, since it uses as much as digits as its factorization.

7229477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49392, while the sum is 38.

The square root of 7229477 is about 2688.7686772945. The cubic root of 7229477 is about 193.3610341468.

The spelling of 7229477 in words is "seven million, two hundred twenty-nine thousand, four hundred seventy-seven".