307422229 has 2 divisors, whose sum is σ = 307422230. Its totient is φ = 307422228.

The previous prime is 307422217. The next prime is 307422293. The reversal of 307422229 is 922224703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265755204 + 41667025 = 16302^2 + 6455^2 .

It is a cyclic number.

It is not a de Polignac number, because 307422229 - 2¹¹ = 307420181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 307422229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (307422029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153711114 + 153711115.

It is an arithmetic number, because the mean of its divisors is an integer number (153711115).

Almost surely, 2^307422229 is an apocalyptic number.

It is an amenable number.

307422229 is a deficient number, since it is larger than the sum of its proper divisors (1).

307422229 is an equidigital number, since it uses as much as digits as its factorization.

307422229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 307422229 is about 17533.4602688688. The cubic root of 307422229 is about 674.9087971884.

The spelling of 307422229 in words is "three hundred seven million, four hundred twenty-two thousand, two hundred twenty-nine".