2239091010 has 192 divisors, whose sum is σ = 6446774880. Its totient is φ = 535818240.

The previous prime is 2239090991. The next prime is 2239091011. The reversal of 2239091010 is 101909322.

It can be written as a sum of positive squares in 16 ways, for example, as 36759969 + 2202331041 = 6063^2 + 46929^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2239091011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9777576 + ... + 9777804.

Almost surely, 2^2239091010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2239091010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3223387440).

2239091010 is an abundant number, since it is smaller than the sum of its proper divisors (4207683870).

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

2239091010 is a wasteful number, since it uses less digits than its factorization.

2239091010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 2239091010 is about 47319.0343308060. The cubic root of 2239091010 is about 1308.2495140247.

The spelling of 2239091010 in words is "two billion, two hundred thirty-nine million, ninety-one thousand, ten".