5444661222 has 192 divisors, whose sum is σ = 16269087744. Its totient is φ = 1269976320.

The previous prime is 5444661217. The next prime is 5444661251. The reversal of 5444661222 is 2221664445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 662583 + ... + 670749.

It is an arithmetic number, because the mean of its divisors is an integer number (84734832).

Almost surely, 2^5444661222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5444661222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8134543872).

5444661222 is an abundant number, since it is smaller than the sum of its proper divisors (10824426522).

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

5444661222 is a wasteful number, since it uses less digits than its factorization.

5444661222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8243 (or 8240 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 5444661222 is about 73787.9476744001. The cubic root of 5444661222 is about 1759.2340440701.

It can be divided in two parts, 5444 and 661222, that added together give a palindrome (666666).

The spelling of 5444661222 in words is "five billion, four hundred forty-four million, six hundred sixty-one thousand, two hundred twenty-two".