422791185412 has 24 divisors (see below), whose sum is σ = 759244280760. Its totient is φ = 205882122240.

The previous prime is 422791185367. The next prime is 422791185431. The reversal of 422791185412 is 214581197224.

It can be written as a sum of positive squares in 4 ways, for example, as 4927197636 + 417863987776 = 70194^2 + 646424^2 .

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, 2139337 + ... + 2328592.

It is an arithmetic number, because the mean of its divisors is an integer number (31635178365).

Almost surely, 2^422791185412 is an apocalyptic number.

It is an amenable number.

422791185412 is a deficient number, since it is larger than the sum of its proper divisors (336453095348).

422791185412 is a wasteful number, since it uses less digits than its factorization.

422791185412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4468551 (or 4468549 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The spelling of 422791185412 in words is "four hundred twenty-two billion, seven hundred ninety-one million, one hundred eighty-five thousand, four hundred twelve".