1022333449 has 2 divisors, whose sum is σ = 1022333450. Its totient is φ = 1022333448.

The previous prime is 1022333441. The next prime is 1022333479. The reversal of 1022333449 is 9443332201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 833765625 + 188567824 = 28875^2 + 13732^2 .

It is an emirp because it is prime and its reverse (9443332201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1022333449 - 2³ = 1022333441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1022333449.

It is not a weakly prime, because it can be changed into another prime (1022333441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511166724 + 511166725.

It is an arithmetic number, because the mean of its divisors is an integer number (511166725).

Almost surely, 2^1022333449 is an apocalyptic number.

It is an amenable number.

1022333449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022333449 is an equidigital number, since it uses as much as digits as its factorization.

1022333449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 1022333449 is about 31973.9495370841. The cubic root of 1022333449 is about 1007.3897402258.

The spelling of 1022333449 in words is "one billion, twenty-two million, three hundred thirty-three thousand, four hundred forty-nine".