2238496590 has 128 divisors (see below), whose sum is σ = 6532462080. Its totient is φ = 483840000.

The previous prime is 2238496543. The next prime is 2238496669. The reversal of 2238496590 is 956948322.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 96090 + ... + 117090.

It is an arithmetic number, because the mean of its divisors is an integer number (51034860).

Almost surely, 2^2238496590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2238496590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3266231040).

2238496590 is an abundant number, since it is smaller than the sum of its proper divisors (4293965490).

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

2238496590 is a wasteful number, since it uses less digits than its factorization.

2238496590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21058.

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 2238496590 is about 47312.7529319527. The cubic root of 2238496590 is about 1308.1337351219.

The spelling of 2238496590 in words is "two billion, two hundred thirty-eight million, four hundred ninety-six thousand, five hundred ninety".