2150220222 has 32 divisors (see below), whose sum is σ = 4783971360. Its totient is φ = 715884480.

The previous prime is 2150220179. The next prime is 2150220223. The reversal of 2150220222 is 2220220512.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2150220195 and 2150220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150220223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22722 + ... + 69402.

It is an arithmetic number, because the mean of its divisors is an integer number (149499105).

Almost surely, 2^2150220222 is an apocalyptic number.

2150220222 is an abundant number, since it is smaller than the sum of its proper divisors (2633751138).

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

2150220222 is a wasteful number, since it uses less digits than its factorization.

2150220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47545 (or 47539 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2150220222 is about 46370.4671315699. The cubic root of 2150220222 is about 1290.7069462022.

Adding to 2150220222 its reverse (2220220512), we get a palindrome (4370440734).

The spelling of 2150220222 in words is "two billion, one hundred fifty million, two hundred twenty thousand, two hundred twenty-two".