32220001231 has 16 divisors (see below), whose sum is σ = 35425152000. Its totient is φ = 29061309600.

The previous prime is 32220001189. The next prime is 32220001277. The reversal of 32220001231 is 13210002223.

It is a cyclic number.

It is not a de Polignac number, because 32220001231 - 2¹¹ = 32219999183 is a prime.

It is a super-2 number, since 2×32220001231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32220001291) 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 15 ways as a sum of consecutive naturals, for example, 1495546 + ... + 1516936.

It is an arithmetic number, because the mean of its divisors is an integer number (2214072000).

Almost surely, 2^32220001231 is an apocalyptic number.

32220001231 is a deficient number, since it is larger than the sum of its proper divisors (3205150769).

32220001231 is a wasteful number, since it uses less digits than its factorization.

32220001231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22470.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 32220001231 its reverse (13210002223), we get a palindrome (45430003454).

The spelling of 32220001231 in words is "thirty-two billion, two hundred twenty million, one thousand, two hundred thirty-one".