2150222422 has 4 divisors (see below), whose sum is σ = 3225333636. Its totient is φ = 1075111210.

The previous prime is 2150222401. The next prime is 2150222423. The reversal of 2150222422 is 2242220512.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2150222393 and 2150222402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150222423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537555604 + ... + 537555607.

It is an arithmetic number, because the mean of its divisors is an integer number (806333409).

Almost surely, 2^2150222422 is an apocalyptic number.

2150222422 is a deficient number, since it is larger than the sum of its proper divisors (1075111214).

2150222422 is a wasteful number, since it uses less digits than its factorization.

2150222422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075111213.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 2150222422 is about 46370.4908535590. The cubic root of 2150222422 is about 1290.7073863981.

Adding to 2150222422 its reverse (2242220512), we get a palindrome (4392442934).

The spelling of 2150222422 in words is "two billion, one hundred fifty million, two hundred twenty-two thousand, four hundred twenty-two".