4227142478 has 64 divisors (see below), whose sum is σ = 7170508800. Its totient is φ = 1856131200.

The previous prime is 4227142421. The next prime is 4227142481. The reversal of 4227142478 is 8742417224.

It is a super-4 number, since 4×4227142478⁴ (a number of 40 digits) contains 4444 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13591943 + ... + 13592253.

It is an arithmetic number, because the mean of its divisors is an integer number (112039200).

Almost surely, 2^4227142478 is an apocalyptic number.

4227142478 is a deficient number, since it is larger than the sum of its proper divisors (2943366322).

4227142478 is a wasteful number, since it uses less digits than its factorization.

4227142478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633.

The product of its digits is 200704, while the sum is 41.

The square root of 4227142478 is about 65016.4785112205. The cubic root of 4227142478 is about 1616.8967771838.

The spelling of 4227142478 in words is "four billion, two hundred twenty-seven million, one hundred forty-two thousand, four hundred seventy-eight".