1042422253 has 4 divisors (see below), whose sum is σ = 1067847228. Its totient is φ = 1016997280.

The previous prime is 1042422239. The next prime is 1042422257. The reversal of 1042422253 is 3522242401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3522242401 = 19 ⋅185381179.

It can be written as a sum of positive squares in 2 ways, for example, as 18550249 + 1023872004 = 4307^2 + 31998^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042422253 - 2⁵ = 1042422221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042422257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12712426 + ... + 12712507.

It is an arithmetic number, because the mean of its divisors is an integer number (266961807).

Almost surely, 2^1042422253 is an apocalyptic number.

It is an amenable number.

1042422253 is a deficient number, since it is larger than the sum of its proper divisors (25424975).

1042422253 is an equidigital number, since it uses as much as digits as its factorization.

1042422253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25424974.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1042422253 is about 32286.5645896246. The cubic root of 1042422253 is about 1013.9453735548.

Adding to 1042422253 its reverse (3522242401), we get a palindrome (4564664654).

The spelling of 1042422253 in words is "one billion, forty-two million, four hundred twenty-two thousand, two hundred fifty-three".