2171022150 has 48 divisors (see below), whose sum is σ = 5873606208. Its totient is φ = 526308000.

The previous prime is 2171022127. The next prime is 2171022173. The reversal of 2171022150 is 512201712.

It is an interprime number because it is at equal distance from previous prime (2171022127) and next prime (2171022173).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 656236 + ... + 659535.

It is an arithmetic number, because the mean of its divisors is an integer number (122366796).

Almost surely, 2^2171022150 is an apocalyptic number.

2171022150 is an abundant number, since it is smaller than the sum of its proper divisors (3702584058).

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

2171022150 is a wasteful number, since it uses less digits than its factorization.

2171022150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315797 (or 1315792 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 2171022150 is about 46594.2287198747. The cubic root of 2171022150 is about 1294.8558348382.

Adding to 2171022150 its reverse (512201712), we get a palindrome (2683223862).

The spelling of 2171022150 in words is "two billion, one hundred seventy-one million, twenty-two thousand, one hundred fifty".