1422688889 has 8 divisors (see below), whose sum is σ = 1482092640. Its totient is φ = 1364461600.

The previous prime is 1422688879. The next prime is 1422688901. The reversal of 1422688889 is 9888862241.

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

It is a cyclic number.

It is not a de Polignac number, because 1422688889 - 2²⁸ = 1154253433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422688829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291647 + ... + 296484.

It is an arithmetic number, because the mean of its divisors is an integer number (185261580).

Almost surely, 2^1422688889 is an apocalyptic number.

It is an amenable number.

1422688889 is a deficient number, since it is larger than the sum of its proper divisors (59403751).

1422688889 is an equidigital number, since it uses as much as digits as its factorization.

1422688889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588231.

The product of its digits is 3538944, while the sum is 56.

The square root of 1422688889 is about 37718.5483416316. The cubic root of 1422688889 is about 1124.6998742446.

The spelling of 1422688889 in words is "one billion, four hundred twenty-two million, six hundred eighty-eight thousand, eight hundred eighty-nine".