1478664422 has 16 divisors (see below), whose sum is σ = 2247642432. Its totient is φ = 729473640.

The previous prime is 1478664419. The next prime is 1478664469. The reversal of 1478664422 is 2244668741.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131897 + ... + 142667.

It is an arithmetic number, because the mean of its divisors is an integer number (140477652).

Almost surely, 2^1478664422 is an apocalyptic number.

1478664422 is a deficient number, since it is larger than the sum of its proper divisors (768978010).

1478664422 is a wasteful number, since it uses less digits than its factorization.

1478664422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11683.

The product of its digits is 516096, while the sum is 44.

The square root of 1478664422 is about 38453.4058569589. The cubic root of 1478664422 is about 1139.2609403838.

The spelling of 1478664422 in words is "one billion, four hundred seventy-eight million, six hundred sixty-four thousand, four hundred twenty-two".