2290429 has 2 divisors, whose sum is σ = 2290430. Its totient is φ = 2290428.

The previous prime is 2290423. The next prime is 2290441. The reversal of 2290429 is 9240922.

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., 2181529 + 108900 = 1477^2 + 330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2290429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2290397 and 2290406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2290423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145214 + 1145215.

It is an arithmetic number, because the mean of its divisors is an integer number (1145215).

2^2290429 is an apocalyptic number.

It is an amenable number.

2290429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2290429 is an equidigital number, since it uses as much as digits as its factorization.

2290429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2290429 is about 1513.4163339941. The cubic root of 2290429 is about 131.8172593745.

The spelling of 2290429 in words is "two million, two hundred ninety thousand, four hundred twenty-nine".