2211002238 has 8 divisors (see below), whose sum is σ = 4422004488. Its totient is φ = 737000744.

The previous prime is 2211002207. The next prime is 2211002239. The reversal of 2211002238 is 8322001122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2211002238 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211002239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184250181 + ... + 184250192.

It is an arithmetic number, because the mean of its divisors is an integer number (552750561).

Almost surely, 2^2211002238 is an apocalyptic number.

2211002238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2211002238 is a wasteful number, since it uses less digits than its factorization.

2211002238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368500378.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2211002238 is about 47021.2955797690. The cubic root of 2211002238 is about 1302.7559360655.

The spelling of 2211002238 in words is "two billion, two hundred eleven million, two thousand, two hundred thirty-eight".