5222326644 has 36 divisors (see below), whose sum is σ = 13205556000. Its totient is φ = 1740159120.

The previous prime is 5222326589. The next prime is 5222326667. The reversal of 5222326644 is 4466232225.

5222326644 is a `hidden beast` number, since 5 + 2 + 2 + 2 + 3 + 2 + 6 + 644 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 5222326599 and 5222326608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83779 + ... + 132149.

It is an arithmetic number, because the mean of its divisors is an integer number (366821000).

Almost surely, 2^5222326644 is an apocalyptic number.

It is an amenable number.

5222326644 is an abundant number, since it is smaller than the sum of its proper divisors (7983229356).

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

5222326644 is a wasteful number, since it uses less digits than its factorization.

5222326644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51380 (or 51375 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 5222326644 is about 72265.6671179337. The cubic root of 5222326644 is about 1734.9541848283.

Adding to 5222326644 its reverse (4466232225), we get a palindrome (9688558869).

The spelling of 5222326644 in words is "five billion, two hundred twenty-two million, three hundred twenty-six thousand, six hundred forty-four".