1223101332 has 36 divisors (see below), whose sum is σ = 3198342420. Its totient is φ = 393641472.

The previous prime is 1223101277. The next prime is 1223101333. The reversal of 1223101332 is 2331013221.

1223101332 is a `hidden beast` number, since 1 + 22 + 310 + 1 + 332 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 603390096 + 619711236 = 24564^2 + 24894^2 .

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223101333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 584733 + ... + 586820.

It is an arithmetic number, because the mean of its divisors is an integer number (88842845).

Almost surely, 2^1223101332 is an apocalyptic number.

1223101332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1223101332 is an abundant number, since it is smaller than the sum of its proper divisors (1975241088).

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

1223101332 is a wasteful number, since it uses less digits than its factorization.

1223101332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171592 (or 1171587 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1223101332 is about 34972.8656532461. The cubic root of 1223101332 is about 1069.4343917259.

Adding to 1223101332 its reverse (2331013221), we get a palindrome (3554114553).

The spelling of 1223101332 in words is "one billion, two hundred twenty-three million, one hundred one thousand, three hundred thirty-two".