2201988381 has 8 divisors (see below), whose sum is σ = 2936281920. Its totient is φ = 1467843552.

The previous prime is 2201988361. The next prime is 2201988401. The reversal of 2201988381 is 1838891022.

It is an interprime number because it is at equal distance from previous prime (2201988361) and next prime (2201988401).

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

It is not a de Polignac number, because 2201988381 - 2¹¹ = 2201986333 is a prime.

It is a super-2 number, since 2×2201988381² = 9697505660118002322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201988331) 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, 3841 + ... + 66473.

It is an arithmetic number, because the mean of its divisors is an integer number (367035240).

Almost surely, 2^2201988381 is an apocalyptic number.

It is an amenable number.

2201988381 is a deficient number, since it is larger than the sum of its proper divisors (734293539).

2201988381 is a wasteful number, since it uses less digits than its factorization.

2201988381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74355.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 2201988381 is about 46925.3490237420. The cubic root of 2201988381 is about 1300.9831578525.

The spelling of 2201988381 in words is "two billion, two hundred one million, nine hundred eighty-eight thousand, three hundred eighty-one".