1422679420 has 24 divisors (see below), whose sum is σ = 2988375264. Its totient is φ = 568929216.

The previous prime is 1422679417. The next prime is 1422679451. The reversal of 1422679420 is 249762241.

It is a self number, because there is not a number n which added to its sum of digits gives 1422679420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114849 + ... + 126631.

It is an arithmetic number, because the mean of its divisors is an integer number (124515636).

Almost surely, 2^1422679420 is an apocalyptic number.

1422679420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422679420 is an abundant number, since it is smaller than the sum of its proper divisors (1565695844).

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

1422679420 is a wasteful number, since it uses less digits than its factorization.

1422679420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17829 (or 17827 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1422679420 is about 37718.4228196249. The cubic root of 1422679420 is about 1124.6973790149.

The spelling of 1422679420 in words is "one billion, four hundred twenty-two million, six hundred seventy-nine thousand, four hundred twenty".