30226429 has 2 divisors, whose sum is σ = 30226430. Its totient is φ = 30226428.

The previous prime is 30226423. The next prime is 30226433. The reversal of 30226429 is 92462203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21874329 + 8352100 = 4677^2 + 2890^2 .

It is an emirp because it is prime and its reverse (92462203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30226429 - 2³ = 30226421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30226397 and 30226406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30226421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15113214 + 15113215.

It is an arithmetic number, because the mean of its divisors is an integer number (15113215).

Almost surely, 2^30226429 is an apocalyptic number.

It is an amenable number.

30226429 is a deficient number, since it is larger than the sum of its proper divisors (1).

30226429 is an equidigital number, since it uses as much as digits as its factorization.

30226429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 30226429 is about 5497.8567642309. The cubic root of 30226429 is about 311.5030337556.

The spelling of 30226429 in words is "thirty million, two hundred twenty-six thousand, four hundred twenty-nine".