223122132 has 36 divisors (see below), whose sum is σ = 564607680. Its totient is φ = 74294352.

The previous prime is 223122083. The next prime is 223122169. The reversal of 223122132 is 231221322.

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

It is a super-3 number, since 3×223122132³ (a number of 26 digits) contains 333 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 37669 + ... + 43187.

Almost surely, 2^223122132 is an apocalyptic number.

It is an amenable number.

223122132 is an abundant number, since it is smaller than the sum of its proper divisors (341485548).

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

223122132 is a wasteful number, since it uses less digits than its factorization.

223122132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6652 (or 6647 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 223122132 is about 14937.2732451408. The cubic root of 223122132 is about 606.5233853687.

Adding to 223122132 its reverse (231221322), we get a palindrome (454343454).

It can be divided in two parts, 2 and 23122132, that multiplied together give a palindrome (46244264).

The spelling of 223122132 in words is "two hundred twenty-three million, one hundred twenty-two thousand, one hundred thirty-two".