1223326466532 has 36 divisors (see below), whose sum is σ = 3150642697020. Its totient is φ = 400081611072.

The previous prime is 1223326466507. The next prime is 1223326466591. The reversal of 1223326466532 is 2356646233221.

It is a happy number.

1223326466532 is a `hidden beast` number, since 1 + 2 + 2 + 33 + 26 + 4 + 66 + 532 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1054942626816 + 168383839716 = 1027104^2 + 410346^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1223326466532² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320576307 + ... + 320580122.

It is an arithmetic number, because the mean of its divisors is an integer number (87517852695).

Almost surely, 2^{1223326466532} is an apocalyptic number.

1223326466532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1223326466532 is an abundant number, since it is smaller than the sum of its proper divisors (1927316230488).

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

1223326466532 is a wasteful number, since it uses less digits than its factorization.

1223326466532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641156492 (or 641156487 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 45.

The spelling of 1223326466532 in words is "one trillion, two hundred twenty-three billion, three hundred twenty-six million, four hundred sixty-six thousand, five hundred thirty-two".