220223132 has 24 divisors (see below), whose sum is σ = 398426112. Its totient is φ = 106398000.

The previous prime is 220223131. The next prime is 220223141. The reversal of 220223132 is 231322022.

It is a self number, because there is not a number n which added to its sum of digits gives 220223132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220223131) 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, 141953 + ... + 143495.

It is an arithmetic number, because the mean of its divisors is an integer number (16601088).

Almost surely, 2^220223132 is an apocalyptic number.

It is an amenable number.

220223132 is a deficient number, since it is larger than the sum of its proper divisors (178202980).

220223132 is a wasteful number, since it uses less digits than its factorization.

220223132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729 (or 2727 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 220223132 is about 14839.9168461282. The cubic root of 220223132 is about 603.8850964852.

Adding to 220223132 its reverse (231322022), we get a palindrome (451545154).

The spelling of 220223132 in words is "two hundred twenty million, two hundred twenty-three thousand, one hundred thirty-two".