2171450022 has 32 divisors (see below), whose sum is σ = 4964696064. Its totient is φ = 620241600.

The previous prime is 2171450009. The next prime is 2171450053. The reversal of 2171450022 is 2200541712.

It is a junction number, because it is equal to n+sod(n) for n = 2171449974 and 2171450001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286522 + ... + 294002.

It is an arithmetic number, because the mean of its divisors is an integer number (155146752).

Almost surely, 2^2171450022 is an apocalyptic number.

2171450022 is an abundant number, since it is smaller than the sum of its proper divisors (2793246042).

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

2171450022 is a wasteful number, since it uses less digits than its factorization.

2171450022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14404.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 2171450022 is about 46598.8199635999. The cubic root of 2171450022 is about 1294.9408940292.

Adding to 2171450022 its reverse (2200541712), we get a palindrome (4371991734).

The spelling of 2171450022 in words is "two billion, one hundred seventy-one million, four hundred fifty thousand, twenty-two".