1022453450 has 12 divisors (see below), whose sum is σ = 1901763510. Its totient is φ = 408981360.

The previous prime is 1022453447. The next prime is 1022453459. The reversal of 1022453450 is 543542201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 638724529 + 383728921 = 25273^2 + 19589^2 .

It is a super-2 number, since 2×1022453450² = 2090822114833805000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1022453459) 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 5 ways as a sum of consecutive naturals, for example, 10224485 + ... + 10224584.

Almost surely, 2^1022453450 is an apocalyptic number.

1022453450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022453450 is a deficient number, since it is larger than the sum of its proper divisors (879310060).

1022453450 is a wasteful number, since it uses less digits than its factorization.

1022453450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20449081 (or 20449076 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1022453450 is about 31975.8260252960. The cubic root of 1022453450 is about 1007.4291543219.

Adding to 1022453450 its reverse (543542201), we get a palindrome (1565995651).

The spelling of 1022453450 in words is "one billion, twenty-two million, four hundred fifty-three thousand, four hundred fifty".