1089990224 has 40 divisors (see below), whose sum is σ = 2238928128. Its totient is φ = 512284160.

The previous prime is 1089990197. The next prime is 1089990227. The reversal of 1089990224 is 4220999801.

It is a Cunningham number, because it is equal to 33015²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089990227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262049 + ... + 266175.

Almost surely, 2^1089990224 is an apocalyptic number.

It is an amenable number.

1089990224 is an abundant number, since it is smaller than the sum of its proper divisors (1148937904).

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

1089990224 is a wasteful number, since it uses less digits than its factorization.

1089990224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5123 (or 5117 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 1089990224 is about 33014.9999848554. Note that the first 4 decimals coincide. The cubic root of 1089990224 is about 1029.1393898355.

The spelling of 1089990224 in words is "one billion, eighty-nine million, nine hundred ninety thousand, two hundred twenty-four".