427448222642 has 128 divisors (see below), whose sum is σ = 775877419008. Its totient is φ = 172832486400.

The previous prime is 427448222627. The next prime is 427448222647. The reversal of 427448222642 is 246222844724.

Its product of digits (2752512) is a multiple of the sum of its prime divisors (1024).

It is not an unprimeable number, because it can be changed into a prime (427448222647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 677413667 + ... + 677414297.

It is an arithmetic number, because the mean of its divisors is an integer number (6061542336).

Almost surely, 2^427448222642 is an apocalyptic number.

427448222642 is a deficient number, since it is larger than the sum of its proper divisors (348429196366).

427448222642 is a wasteful number, since it uses less digits than its factorization.

427448222642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024.

The product of its digits is 2752512, while the sum is 47.

The spelling of 427448222642 in words is "four hundred twenty-seven billion, four hundred forty-eight million, two hundred twenty-two thousand, six hundred forty-two".