2213791000 has 64 divisors (see below), whose sum is σ = 5485034880. Its totient is φ = 833420800.

The previous prime is 2213790967. The next prime is 2213791007. The reversal of 2213791000 is 1973122.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213791007) 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, 48112 + ... + 82111.

It is an arithmetic number, because the mean of its divisors is an integer number (85703670).

Almost surely, 2^2213791000 is an apocalyptic number.

2213791000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213791000 is an abundant number, since it is smaller than the sum of its proper divisors (3271243880).

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

2213791000 is a wasteful number, since it uses less digits than its factorization.

2213791000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130261 (or 130247 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 2213791000 is about 47050.9404794421. The cubic root of 2213791000 is about 1303.3034328488.

The spelling of 2213791000 in words is "two billion, two hundred thirteen million, seven hundred ninety-one thousand".