331422029 has 2 divisors, whose sum is σ = 331422030. Its totient is φ = 331422028.

The previous prime is 331422011. The next prime is 331422037. The reversal of 331422029 is 920224133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331422025 + 4 = 18205^2 + 2^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331422029 is a prime.

It is a super-2 number, since 2×331422029² = 219681122612953682, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 331421989 and 331422007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331422059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165711014 + 165711015.

It is an arithmetic number, because the mean of its divisors is an integer number (165711015).

Almost surely, 2^331422029 is an apocalyptic number.

It is an amenable number.

331422029 is a deficient number, since it is larger than the sum of its proper divisors (1).

331422029 is an equidigital number, since it uses as much as digits as its factorization.

331422029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 331422029 is about 18205.0001098599. Note that the first 3 decimals coincide. The cubic root of 331422029 is about 692.0335089357.

The spelling of 331422029 in words is "three hundred thirty-one million, four hundred twenty-two thousand, twenty-nine".