4422729472 has 54 divisors (see below), whose sum is σ = 10095777944. Its totient is φ = 1894248960.

The previous prime is 4422729461. The next prime is 4422729497. The reversal of 4422729472 is 2749272244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2814447 + ... + 2816017.

Almost surely, 2^4422729472 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 4422729472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5047888972).

4422729472 is an abundant number, since it is smaller than the sum of its proper divisors (5673048472).

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

4422729472 is an frugal number, since it uses more digits than its factorization.

4422729472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165 (or 1580 counting only the distinct ones).

The product of its digits is 451584, while the sum is 43.

The square root of 4422729472 is about 66503.6049549195. The cubic root of 4422729472 is about 1641.4593237078.

The spelling of 4422729472 in words is "four billion, four hundred twenty-two million, seven hundred twenty-nine thousand, four hundred seventy-two".