1245424222 has 16 divisors (see below), whose sum is σ = 2184665472. Its totient is φ = 521340120.

The previous prime is 1245424153. The next prime is 1245424237. The reversal of 1245424222 is 2224245421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1033804 + ... + 1035007.

It is an arithmetic number, because the mean of its divisors is an integer number (136541592).

Almost surely, 2^1245424222 is an apocalyptic number.

1245424222 is a deficient number, since it is larger than the sum of its proper divisors (939241250).

1245424222 is a wasteful number, since it uses less digits than its factorization.

1245424222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068863.

The product of its digits is 10240, while the sum is 28.

The square root of 1245424222 is about 35290.5684567421. The cubic root of 1245424222 is about 1075.9013092229.

Adding to 1245424222 its reverse (2224245421), we get a palindrome (3469669643).

The spelling of 1245424222 in words is "one billion, two hundred forty-five million, four hundred twenty-four thousand, two hundred twenty-two".