1222422042 has 16 divisors (see below), whose sum is σ = 2454360192. Its totient is φ = 405888000.

The previous prime is 1222422037. The next prime is 1222422073. The reversal of 1222422042 is 2402242221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394834 + ... + 397917.

It is an arithmetic number, because the mean of its divisors is an integer number (153397512).

Almost surely, 2^1222422042 is an apocalyptic number.

1222422042 is an abundant number, since it is smaller than the sum of its proper divisors (1231938150).

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

1222422042 is a wasteful number, since it uses less digits than its factorization.

1222422042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793013.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 1222422042 is about 34963.1526324501. The cubic root of 1222422042 is about 1069.2363730779.

Adding to 1222422042 its reverse (2402242221), we get a palindrome (3624664263).

The spelling of 1222422042 in words is "one billion, two hundred twenty-two million, four hundred twenty-two thousand, forty-two".