1222423052 has 12 divisors (see below), whose sum is σ = 2154856200. Its totient is φ = 606749856.

The previous prime is 1222423043. The next prime is 1222423127. The reversal of 1222423052 is 2503242221.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1114802 + ... + 1115897.

It is an arithmetic number, because the mean of its divisors is an integer number (179571350).

Almost surely, 2^1222423052 is an apocalyptic number.

It is an amenable number.

1222423052 is a deficient number, since it is larger than the sum of its proper divisors (932433148).

1222423052 is a wasteful number, since it uses less digits than its factorization.

1222423052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230840 (or 2230838 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1222423052 is about 34963.1670762247. The cubic root of 1222423052 is about 1069.2366675557.

Adding to 1222423052 its reverse (2503242221), we get a palindrome (3725665273).

The spelling of 1222423052 in words is "one billion, two hundred twenty-two million, four hundred twenty-three thousand, fifty-two".