2227889638 has 8 divisors (see below), whose sum is σ = 3598898688. Its totient is φ = 1028256744.

The previous prime is 2227889633. The next prime is 2227889639. The reversal of 2227889638 is 8369887222.

It is a happy number.

2227889638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2227889633) 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, 42844006 + ... + 42844057.

It is an arithmetic number, because the mean of its divisors is an integer number (449862336).

Almost surely, 2^2227889638 is an apocalyptic number.

2227889638 is a deficient number, since it is larger than the sum of its proper divisors (1371009050).

2227889638 is a wasteful number, since it uses less digits than its factorization.

2227889638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85688078.

The product of its digits is 4644864, while the sum is 55.

The square root of 2227889638 is about 47200.5258233423. The cubic root of 2227889638 is about 1306.0642977755.

The spelling of 2227889638 in words is "two billion, two hundred twenty-seven million, eight hundred eighty-nine thousand, six hundred thirty-eight".