332222749 has 2 divisors, whose sum is σ = 332222750. Its totient is φ = 332222748.

The previous prime is 332222731. The next prime is 332222797. The reversal of 332222749 is 947222233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285846649 + 46376100 = 16907^2 + 6810^2 .

It is an emirp because it is prime and its reverse (947222233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 332222749 - 2⁵ = 332222717 is a prime.

It is a super-2 number, since 2×332222749² = 220743909906234002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (332222719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166111374 + 166111375.

It is an arithmetic number, because the mean of its divisors is an integer number (166111375).

Almost surely, 2^332222749 is an apocalyptic number.

It is an amenable number.

332222749 is a deficient number, since it is larger than the sum of its proper divisors (1).

332222749 is an equidigital number, since it uses as much as digits as its factorization.

332222749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 34.

The square root of 332222749 is about 18226.9786031586. The cubic root of 332222749 is about 692.5903814054.

The spelling of 332222749 in words is "three hundred thirty-two million, two hundred twenty-two thousand, seven hundred forty-nine".