22016461002444 has 120 divisors (see below), whose sum is σ = 58505403341616. Its totient is φ = 7217710416000.

The previous prime is 22016461002439. The next prime is 22016461002551. The reversal of 22016461002444 is 44420016461022.

22016461002444 is a `hidden beast` number, since 2 + 2 + 0 + 1 + 646 + 1 + 0 + 0 + 2 + 4 + 4 + 4 = 666.

It is a super-2 number, since 2×22016461002444² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22016461002399 and 22016461002408.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 193254739 + ... + 193368629.

Almost surely, 2^{22016461002444} 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 22016461002444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29252701670808).

22016461002444 is an abundant number, since it is smaller than the sum of its proper divisors (36488942339172).

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

22016461002444 is a wasteful number, since it uses less digits than its factorization.

22016461002444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123749 (or 123738 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

Adding to 22016461002444 its reverse (44420016461022), we get a palindrome (66436477463466).

The spelling of 22016461002444 in words is "twenty-two trillion, sixteen billion, four hundred sixty-one million, two thousand, four hundred forty-four".