7161229 has 2 divisors, whose sum is σ = 7161230. Its totient is φ = 7161228.

The previous prime is 7161223. The next prime is 7161251. The reversal of 7161229 is 9221617.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6901129 + 260100 = 2627^2 + 510^2 .

It is an emirp because it is prime and its reverse (9221617) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7161229 - 2⁵ = 7161197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7161197 and 7161206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7161223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3580614 + 3580615.

It is an arithmetic number, because the mean of its divisors is an integer number (3580615).

Almost surely, 2^7161229 is an apocalyptic number.

It is an amenable number.

7161229 is a deficient number, since it is larger than the sum of its proper divisors (1).

7161229 is an equidigital number, since it uses as much as digits as its factorization.

7161229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 28.

The square root of 7161229 is about 2676.0472716303. The cubic root of 7161229 is about 192.7506511698.

The spelling of 7161229 in words is "seven million, one hundred sixty-one thousand, two hundred twenty-nine".