1546444446222 has 64 divisors (see below), whose sum is σ = 3528787477824. Its totient is φ = 447578234880.

The previous prime is 1546444446199. The next prime is 1546444446229. The reversal of 1546444446222 is 2226444446451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1546444446229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1943218 + ... + 2620874.

It is an arithmetic number, because the mean of its divisors is an integer number (55137304341).

Almost surely, 2^{1546444446222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1546444446222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1764393738912).

1546444446222 is an abundant number, since it is smaller than the sum of its proper divisors (1982343031602).

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

1546444446222 is a wasteful number, since it uses less digits than its factorization.

1546444446222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679413.

The product of its digits is 5898240, while the sum is 48.

The spelling of 1546444446222 in words is "one trillion, five hundred forty-six billion, four hundred forty-four million, four hundred forty-six thousand, two hundred twenty-two".