2327211638 has 4 divisors (see below), whose sum is σ = 3490817460. Its totient is φ = 1163605818.

The previous prime is 2327211631. The next prime is 2327211641. The reversal of 2327211638 is 8361127232.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2327211598 and 2327211607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2327211631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581802908 + ... + 581802911.

It is an arithmetic number, because the mean of its divisors is an integer number (872704365).

Almost surely, 2^2327211638 is an apocalyptic number.

2327211638 is a deficient number, since it is larger than the sum of its proper divisors (1163605822).

2327211638 is a wasteful number, since it uses less digits than its factorization.

2327211638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163605821.

The product of its digits is 24192, while the sum is 35.

The square root of 2327211638 is about 48241.1819714235. The cubic root of 2327211638 is about 1325.1914545703.

The spelling of 2327211638 in words is "two billion, three hundred twenty-seven million, two hundred eleven thousand, six hundred thirty-eight".