653221112 has 16 divisors (see below), whose sum is σ = 1225766400. Its totient is φ = 326350080.

The previous prime is 653221111. The next prime is 653221133. The reversal of 653221112 is 211122356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653221111) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21689 + ... + 42152.

It is an arithmetic number, because the mean of its divisors is an integer number (76610400).

Almost surely, 2^653221112 is an apocalyptic number.

It is an amenable number.

653221112 is a deficient number, since it is larger than the sum of its proper divisors (572545288).

653221112 is a wasteful number, since it uses less digits than its factorization.

653221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65126 (or 65122 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 653221112 is about 25558.1907027865. The cubic root of 653221112 is about 867.6676472580.

Adding to 653221112 its reverse (211122356), we get a palindrome (864343468).

The spelling of 653221112 in words is "six hundred fifty-three million, two hundred twenty-one thousand, one hundred twelve".