1422789028 has 24 divisors (see below), whose sum is σ = 2542337280. Its totient is φ = 696465120.

The previous prime is 1422789023. The next prime is 1422789047. The reversal of 1422789028 is 8209872241.

It is not an unprimeable number, because it can be changed into a prime (1422789023) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 94543 + ... + 108553.

It is an arithmetic number, because the mean of its divisors is an integer number (105930720).

Almost surely, 2^1422789028 is an apocalyptic number.

It is an amenable number.

1422789028 is a deficient number, since it is larger than the sum of its proper divisors (1119548252).

1422789028 is a wasteful number, since it uses less digits than its factorization.

1422789028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14547 (or 14545 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 1422789028 is about 37719.8757686183. The cubic root of 1422789028 is about 1124.7262617608.

The spelling of 1422789028 in words is "one billion, four hundred twenty-two million, seven hundred eighty-nine thousand, twenty-eight".