1222152336 has 60 divisors (see below), whose sum is σ = 3538283580. Its totient is φ = 393335040.

The previous prime is 1222152319. The next prime is 1222152367. The reversal of 1222152336 is 6332512221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 657614736 + 564537600 = 25644^2 + 23760^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142155 + ... + 150506.

It is an arithmetic number, because the mean of its divisors is an integer number (58971393).

Almost surely, 2^1222152336 is an apocalyptic number.

1222152336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1222152336 is an abundant number, since it is smaller than the sum of its proper divisors (2316131244).

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

1222152336 is a wasteful number, since it uses less digits than its factorization.

1222152336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292704 (or 292695 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1222152336 is about 34959.2954162409. The cubic root of 1222152336 is about 1069.1577312050.

Adding to 1222152336 its reverse (6332512221), we get a palindrome (7554664557).

The spelling of 1222152336 in words is "one billion, two hundred twenty-two million, one hundred fifty-two thousand, three hundred thirty-six".