2171233030 has 32 divisors (see below), whose sum is σ = 4153472640. Its totient is φ = 814371840.

The previous prime is 2171233027. The next prime is 2171233039. The reversal of 2171233030 is 303321712.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2171232992 and 2171233010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2171233039) 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, 22506 + ... + 69634.

It is an arithmetic number, because the mean of its divisors is an integer number (129796020).

Almost surely, 2^2171233030 is an apocalyptic number.

2171233030 is a deficient number, since it is larger than the sum of its proper divisors (1982239610).

2171233030 is a wasteful number, since it uses less digits than its factorization.

2171233030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47424.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 2171233030 is about 46596.4916061285. The cubic root of 2171233030 is about 1294.8977583101.

Adding to 2171233030 its reverse (303321712), we get a palindrome (2474554742).

The spelling of 2171233030 in words is "two billion, one hundred seventy-one million, two hundred thirty-three thousand, thirty".