1223404332 has 12 divisors (see below), whose sum is σ = 2854610136. Its totient is φ = 407801440.

The previous prime is 1223404307. The next prime is 1223404379. The reversal of 1223404332 is 2334043221.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50975169 + ... + 50975192.

It is an arithmetic number, because the mean of its divisors is an integer number (237884178).

Almost surely, 2^1223404332 is an apocalyptic number.

1223404332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1223404332 is an abundant number, since it is smaller than the sum of its proper divisors (1631205804).

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

1223404332 is a wasteful number, since it uses less digits than its factorization.

1223404332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101950368 (or 101950366 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1223404332 is about 34977.1973148221. The cubic root of 1223404332 is about 1069.5226950845.

Adding to 1223404332 its reverse (2334043221), we get a palindrome (3557447553).

The spelling of 1223404332 in words is "one billion, two hundred twenty-three million, four hundred four thousand, three hundred thirty-two".