1422705792 has 128 divisors (see below), whose sum is σ = 4087376640. Its totient is φ = 436748288.

The previous prime is 1422705773. The next prime is 1422705841. The reversal of 1422705792 is 2975072241.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 1422705792.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304498 + ... + 309134.

It is an arithmetic number, because the mean of its divisors is an integer number (31932630).

Almost surely, 2^1422705792 is an apocalyptic number.

1422705792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422705792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2043688320).

1422705792 is an abundant number, since it is smaller than the sum of its proper divisors (2664670848).

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

1422705792 is a wasteful number, since it uses less digits than its factorization.

1422705792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718 (or 4706 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 1422705792 is about 37718.7724084440. The cubic root of 1422705792 is about 1124.7043284221.

The spelling of 1422705792 in words is "one billion, four hundred twenty-two million, seven hundred five thousand, seven hundred ninety-two".