1222355532 has 48 divisors (see below), whose sum is σ = 2934563072. Its totient is φ = 395720640.

The previous prime is 1222355531. The next prime is 1222355549. The reversal of 1222355532 is 2355532221.

It is a super-2 number, since 2×1222355532² = 2988306093222006048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1222355532.

It is not an unprimeable number, because it can be changed into a prime (1222355531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277983 + ... + 282345.

Almost surely, 2^1222355532 is an apocalyptic number.

1222355532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222355532 is an abundant number, since it is smaller than the sum of its proper divisors (1712207540).

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

1222355532 is a wasteful number, since it uses less digits than its factorization.

1222355532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038 (or 5036 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 1222355532 is about 34962.2014753076. The cubic root of 1222355532 is about 1069.2169809207.

Adding to 1222355532 its reverse (2355532221), we get a palindrome (3577887753).

The spelling of 1222355532 in words is "one billion, two hundred twenty-two million, three hundred fifty-five thousand, five hundred thirty-two".