2522190181 has 6 divisors (see below), whose sum is σ = 2933976390. Its totient is φ = 2161877256.

The previous prime is 2522190161. The next prime is 2522190191. The reversal of 2522190181 is 1810912252.

It can be written as a sum of positive squares in only one way, i.e., 2390721025 + 131469156 = 48895^2 + 11466^2 .

It is not a de Polignac number, because 2522190181 - 2⁷ = 2522190053 is a prime.

It is a super-2 number, since 2×2522190181² = 12722886618265625522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522190161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25736586 + ... + 25736683.

It is an arithmetic number, because the mean of its divisors is an integer number (488996065).

Almost surely, 2^2522190181 is an apocalyptic number.

It is an amenable number.

2522190181 is a deficient number, since it is larger than the sum of its proper divisors (411786209).

2522190181 is an equidigital number, since it uses as much as digits as its factorization.

2522190181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51473283 (or 51473276 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 2522190181 is about 50221.4115791263. The cubic root of 2522190181 is about 1361.2125469498.

The spelling of 2522190181 in words is "two billion, five hundred twenty-two million, one hundred ninety thousand, one hundred eighty-one".