422251544432212 has 24 divisors (see below), whose sum is σ = 806117217192000. Its totient is φ = 191932369632960.

The previous prime is 422251544432191. The next prime is 422251544432231. The reversal of 422251544432212 is 212234445152224.

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, 68589664 + ... + 74491912.

It is an arithmetic number, because the mean of its divisors is an integer number (33588217383000).

Almost surely, 2^{422251544432212} is an apocalyptic number.

It is an amenable number.

422251544432212 is a deficient number, since it is larger than the sum of its proper divisors (383865672759788).

422251544432212 is a wasteful number, since it uses less digits than its factorization.

422251544432212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7528191 (or 7528189 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 43.

Adding to 422251544432212 its reverse (212234445152224), we get a palindrome (634485989584436).

The spelling of 422251544432212 in words is "four hundred twenty-two trillion, two hundred fifty-one billion, five hundred forty-four million, four hundred thirty-two thousand, two hundred twelve".