4494222756 has 18 divisors (see below), whose sum is σ = 11360396502. Its totient is φ = 1498074240.

The previous prime is 4494222751. The next prime is 4494222757. The reversal of 4494222756 is 6572224944.

It can be written as a sum of positive squares in only one way, i.e., 2968070400 + 1526152356 = 54480^2 + 39066^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4494222751) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62419725 + ... + 62419796.

It is an arithmetic number, because the mean of its divisors is an integer number (631133139).

Almost surely, 2^4494222756 is an apocalyptic number.

It is an amenable number.

4494222756 is an abundant number, since it is smaller than the sum of its proper divisors (6866173746).

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

4494222756 is a wasteful number, since it uses less digits than its factorization.

4494222756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124839531 (or 124839526 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 4494222756 is about 67038.9644609760. The cubic root of 4494222756 is about 1650.2568019032.

The spelling of 4494222756 in words is "four billion, four hundred ninety-four million, two hundred twenty-two thousand, seven hundred fifty-six".