1088722944 has 120 divisors (see below), whose sum is σ = 3252429180. Its totient is φ = 362852352.

The previous prime is 1088722939. The next prime is 1088722961. The reversal of 1088722944 is 4492278801.

It is a self number, because there is not a number n which added to its sum of digits gives 1088722944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 162607 + ... + 169169.

Almost surely, 2^1088722944 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 1088722944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1626214590).

1088722944 is an abundant number, since it is smaller than the sum of its proper divisors (2163706236).

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

1088722944 is an frugal number, since it uses more digits than its factorization.

1088722944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597 (or 6568 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 1088722944 is about 32995.8019147891. The cubic root of 1088722944 is about 1028.7403912907.

The spelling of 1088722944 in words is "one billion, eighty-eight million, seven hundred twenty-two thousand, nine hundred forty-four".