444213001422 has 32 divisors (see below), whose sum is σ = 989553597600. Its totient is φ = 147708961344.

The previous prime is 444213001403. The next prime is 444213001423. The reversal of 444213001422 is 224100312444.

444213001422 is a `hidden beast` number, since 444 + 213 + 0 + 0 + 1 + 4 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444213001423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10034353 + ... + 10078524.

It is an arithmetic number, because the mean of its divisors is an integer number (30923549925).

Almost surely, 2^444213001422 is an apocalyptic number.

444213001422 is an abundant number, since it is smaller than the sum of its proper divisors (545340596178).

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

444213001422 is a wasteful number, since it uses less digits than its factorization.

444213001422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20113297 (or 20113291 counting only the distinct ones).

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

Adding to 444213001422 its reverse (224100312444), we get a palindrome (668313313866).

The spelling of 444213001422 in words is "four hundred forty-four billion, two hundred thirteen million, one thousand, four hundred twenty-two".