2057222180 has 48 divisors (see below), whose sum is σ = 4655795760. Its totient is φ = 759049728.

The previous prime is 2057222171. The next prime is 2057222183. The reversal of 2057222180 is 812227502.

It can be written as a sum of positive squares in 8 ways, for example, as 474455524 + 1582766656 = 21782^2 + 39784^2 .

It is not an unprimeable number, because it can be changed into a prime (2057222183) 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, 723722 + ... + 726558.

It is an arithmetic number, because the mean of its divisors is an integer number (96995745).

Almost surely, 2^2057222180 is an apocalyptic number.

2057222180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2057222180 is an abundant number, since it is smaller than the sum of its proper divisors (2598573580).

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

2057222180 is a wasteful number, since it uses less digits than its factorization.

2057222180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5648 (or 5646 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 2057222180 is about 45356.6112049831. The cubic root of 2057222180 is about 1271.8241461797.

Adding to 2057222180 its reverse (812227502), we get a palindrome (2869449682).

The spelling of 2057222180 in words is "two billion, fifty-seven million, two hundred twenty-two thousand, one hundred eighty".