1222227162 has 48 divisors (see below), whose sum is σ = 2863828968. Its totient is φ = 374492160.

The previous prime is 1222227131. The next prime is 1222227163. The reversal of 1222227162 is 2617222221.

It can be written as a sum of positive squares in 4 ways, for example, as 1205408961 + 16818201 = 34719^2 + 4101^2 .

It is not an unprimeable number, because it can be changed into a prime (1222227163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45558 + ... + 67230.

Almost surely, 2^1222227162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222227162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1431914484).

1222227162 is an abundant number, since it is smaller than the sum of its proper divisors (1641601806).

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

1222227162 is a wasteful number, since it uses less digits than its factorization.

1222227162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21935 (or 21932 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 1222227162 is about 34960.3655873333. The cubic root of 1222227162 is about 1069.1795504064.

Adding to 1222227162 its reverse (2617222221), we get a palindrome (3839449383).

The spelling of 1222227162 in words is "one billion, two hundred twenty-two million, two hundred twenty-seven thousand, one hundred sixty-two".