995221944 has 64 divisors (see below), whose sum is σ = 2780589600. Its totient is φ = 329810688.

The previous prime is 995221889. The next prime is 995221949. The reversal of 995221944 is 449122599.

It is a self number, because there is not a number n which added to its sum of digits gives 995221944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995221949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24052 + ... + 50684.

Almost surely, 2^995221944 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 995221944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390294800).

995221944 is an abundant number, since it is smaller than the sum of its proper divisors (1785367656).

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

995221944 is a wasteful number, since it uses less digits than its factorization.

995221944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26821 (or 26811 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 995221944 is about 31547.1384439223. The cubic root of 995221944 is about 998.4047712651.

The spelling of 995221944 in words is "nine hundred ninety-five million, two hundred twenty-one thousand, nine hundred forty-four".