1253450022 has 16 divisors (see below), whose sum is σ = 2734800192. Its totient is φ = 379833320.

The previous prime is 1253449997. The next prime is 1253450027. The reversal of 1253450022 is 2200543521.

It is a super-2 number, since 2×1253450022² = 3142273915303600968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1253449974 and 1253450001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253450027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9495768 + ... + 9495899.

It is an arithmetic number, because the mean of its divisors is an integer number (170925012).

Almost surely, 2^1253450022 is an apocalyptic number.

1253450022 is an abundant number, since it is smaller than the sum of its proper divisors (1481350170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253450022 is a wasteful number, since it uses less digits than its factorization.

1253450022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18991683.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1253450022 is about 35404.0961189521. The cubic root of 1253450022 is about 1078.2074809201.

Adding to 1253450022 its reverse (2200543521), we get a palindrome (3453993543).

The spelling of 1253450022 in words is "one billion, two hundred fifty-three million, four hundred fifty thousand, twenty-two".