1252236422 has 24 divisors (see below), whose sum is σ = 2002128744. Its totient is φ = 587284992.

The previous prime is 1252236361. The next prime is 1252236457. The reversal of 1252236422 is 2246322521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173918 + ... + 180974.

It is an arithmetic number, because the mean of its divisors is an integer number (83422031).

Almost surely, 2^1252236422 is an apocalyptic number.

1252236422 is a deficient number, since it is larger than the sum of its proper divisors (749892322).

1252236422 is a wasteful number, since it uses less digits than its factorization.

1252236422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400 (or 7383 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 1252236422 is about 35386.9527085902. The cubic root of 1252236422 is about 1077.8593922829.

Adding to 1252236422 its reverse (2246322521), we get a palindrome (3498558943).

The spelling of 1252236422 in words is "one billion, two hundred fifty-two million, two hundred thirty-six thousand, four hundred twenty-two".