74222329 has 2 divisors, whose sum is σ = 74222330. Its totient is φ = 74222328.

The previous prime is 74222321. The next prime is 74222377. The reversal of 74222329 is 92322247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57836025 + 16386304 = 7605^2 + 4048^2 .

It is a cyclic number.

It is not a de Polignac number, because 74222329 - 2³ = 74222321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74222329.

It is not a weakly prime, because it can be changed into another prime (74222321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37111164 + 37111165.

It is an arithmetic number, because the mean of its divisors is an integer number (37111165).

Almost surely, 2^74222329 is an apocalyptic number.

It is an amenable number.

74222329 is a deficient number, since it is larger than the sum of its proper divisors (1).

74222329 is an equidigital number, since it uses as much as digits as its factorization.

74222329 is an evil number, because the sum of its binary digits is even.

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

The square root of 74222329 is about 8615.2381859122. The cubic root of 74222329 is about 420.2536808346.

The spelling of 74222329 in words is "seventy-four million, two hundred twenty-two thousand, three hundred twenty-nine".