422344401012 has 144 divisors (see below), whose sum is σ = 1127468160000. Its totient is φ = 133036282368.

The previous prime is 422344401001. The next prime is 422344401013. The reversal of 422344401012 is 210104443224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422344401013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 176048989 + ... + 176051387.

It is an arithmetic number, because the mean of its divisors is an integer number (7829640000).

Almost surely, 2^422344401012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422344401012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563734080000).

422344401012 is an abundant number, since it is smaller than the sum of its proper divisors (705123758988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422344401012 is a wasteful number, since it uses less digits than its factorization.

422344401012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4910 (or 4905 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 422344401012 its reverse (210104443224), we get a palindrome (632448844236).

The spelling of 422344401012 in words is "four hundred twenty-two billion, three hundred forty-four million, four hundred one thousand, twelve".