1222421332 has 24 divisors (see below), whose sum is σ = 2344013280. Its totient is φ = 553193760.

The previous prime is 1222421327. The next prime is 1222421339. The reversal of 1222421332 is 2331242221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222421339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51207 + ... + 71182.

It is an arithmetic number, because the mean of its divisors is an integer number (97667220).

Almost surely, 2^1222421332 is an apocalyptic number.

It is an amenable number.

1222421332 is a deficient number, since it is larger than the sum of its proper divisors (1121591948).

1222421332 is a wasteful number, since it uses less digits than its factorization.

1222421332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122631 (or 122629 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 1222421332 is about 34963.1424789020. The cubic root of 1222421332 is about 1069.2361660686.

Adding to 1222421332 its reverse (2331242221), we get a palindrome (3553663553).

The spelling of 1222421332 in words is "one billion, two hundred twenty-two million, four hundred twenty-one thousand, three hundred thirty-two".