2220150181 has 2 divisors, whose sum is σ = 2220150182. Its totient is φ = 2220150180.

The previous prime is 2220150161. The next prime is 2220150197. The reversal of 2220150181 is 1810510222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2209846081 + 10304100 = 47009^2 + 3210^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220150181 - 2³¹ = 72666533 is a prime.

It is a super-2 number, since 2×2220150181² = 9858133652388665522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220150161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110075090 + 1110075091.

It is an arithmetic number, because the mean of its divisors is an integer number (1110075091).

Almost surely, 2^2220150181 is an apocalyptic number.

It is an amenable number.

2220150181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220150181 is an equidigital number, since it uses as much as digits as its factorization.

2220150181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 2220150181 is about 47118.4696377121. The cubic root of 2220150181 is about 1304.5501659083.

The spelling of 2220150181 in words is "two billion, two hundred twenty million, one hundred fifty thousand, one hundred eighty-one".