1222232202 has 48 divisors (see below), whose sum is σ = 2747745000. Its totient is φ = 392176512.

The previous prime is 1222232189. The next prime is 1222232233. The reversal of 1222232202 is 2022322221.

It can be written as a sum of positive squares in 4 ways, for example, as 1184667561 + 37564641 = 34419^2 + 6129^2 .

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

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 178824 + ... + 185532.

Almost surely, 2^1222232202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222232202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1373872500).

1222232202 is an abundant number, since it is smaller than the sum of its proper divisors (1525512798).

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

1222232202 is a wasteful number, since it uses less digits than its factorization.

1222232202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7095 (or 7092 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1222232202 is about 34960.4376688851. The cubic root of 1222232202 is about 1069.1810200343.

Adding to 1222232202 its reverse (2022322221), we get a palindrome (3244554423).

The spelling of 1222232202 in words is "one billion, two hundred twenty-two million, two hundred thirty-two thousand, two hundred two".