1022453449 has 16 divisors (see below), whose sum is σ = 1087929360. Its totient is φ = 959523840.

The previous prime is 1022453447. The next prime is 1022453459. The reversal of 1022453449 is 9443542201.

It can be written as a sum of positive squares in 8 ways, for example, as 22629049 + 999824400 = 4757^2 + 31620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022453449 - 2¹ = 1022453447 is a prime.

It is a super-2 number, since 2×1022453449² = 2090822110743991202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022453447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131227 + ... + 138799.

It is an arithmetic number, because the mean of its divisors is an integer number (67995585).

Almost surely, 2^1022453449 is an apocalyptic number.

It is an amenable number.

1022453449 is a deficient number, since it is larger than the sum of its proper divisors (65475911).

1022453449 is an equidigital number, since it uses as much as digits as its factorization.

1022453449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7740.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1022453449 is about 31975.8260096592. The cubic root of 1022453449 is about 1007.4291539935.

The spelling of 1022453449 in words is "one billion, twenty-two million, four hundred fifty-three thousand, four hundred forty-nine".