1421998882 has 8 divisors (see below), whose sum is σ = 2133211500. Its totient is φ = 710928384.

The previous prime is 1421998871. The next prime is 1421998891. The reversal of 1421998882 is 2888991241.

It can be written as a sum of positive squares in 2 ways, for example, as 1418200281 + 3798601 = 37659^2 + 1949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5407 + ... + 53602.

Almost surely, 2^1421998882 is an apocalyptic number.

1421998882 is a deficient number, since it is larger than the sum of its proper divisors (711212618).

1421998882 is a wasteful number, since it uses less digits than its factorization.

1421998882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71060.

The product of its digits is 663552, while the sum is 52.

The square root of 1421998882 is about 37709.4004460426. The cubic root of 1421998882 is about 1124.5180176002.

The spelling of 1421998882 in words is "one billion, four hundred twenty-one million, nine hundred ninety-eight thousand, eight hundred eighty-two".