2170266252 has 72 divisors (see below), whose sum is σ = 6426262080. Its totient is φ = 563703840.

The previous prime is 2170266247. The next prime is 2170266281. The reversal of 2170266252 is 2526620712.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161302 + ... + 174237.

It is an arithmetic number, because the mean of its divisors is an integer number (89253640).

Almost surely, 2^2170266252 is an apocalyptic number.

2170266252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2170266252 is an abundant number, since it is smaller than the sum of its proper divisors (4255995828).

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

2170266252 is a wasteful number, since it uses less digits than its factorization.

2170266252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335571 (or 335562 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 2170266252 is about 46586.1165155457. The cubic root of 2170266252 is about 1294.7055381138.

Adding to 2170266252 its reverse (2526620712), we get a palindrome (4696886964).

The spelling of 2170266252 in words is "two billion, one hundred seventy million, two hundred sixty-six thousand, two hundred fifty-two".