1422221302 has 16 divisors (see below), whose sum is σ = 2192762880. Its totient is φ = 691449192.

The previous prime is 1422221293. The next prime is 1422221303. The reversal of 1422221302 is 2031222241.

It is a self number, because there is not a number n which added to its sum of digits gives 1422221302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422221303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17902 + ... + 56257.

It is an arithmetic number, because the mean of its divisors is an integer number (137047680).

Almost surely, 2^1422221302 is an apocalyptic number.

1422221302 is a deficient number, since it is larger than the sum of its proper divisors (770541578).

1422221302 is a wasteful number, since it uses less digits than its factorization.

1422221302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74427.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1422221302 is about 37712.3494627423. The cubic root of 1422221302 is about 1124.5766445235.

Adding to 1422221302 its reverse (2031222241), we get a palindrome (3453443543).

The spelling of 1422221302 in words is "one billion, four hundred twenty-two million, two hundred twenty-one thousand, three hundred two".