32220144231 has 8 divisors (see below), whose sum is σ = 46865664384. Its totient is φ = 19527360120.

The previous prime is 32220144211. The next prime is 32220144239. The reversal of 32220144231 is 13244102223.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32220144231 - 2⁵ = 32220144199 is a prime.

It is a super-2 number, since 2×32220144231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32220144239) 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, 488183971 + ... + 488184036.

It is an arithmetic number, because the mean of its divisors is an integer number (5858208048).

Almost surely, 2^32220144231 is an apocalyptic number.

32220144231 is a deficient number, since it is larger than the sum of its proper divisors (14645520153).

32220144231 is a wasteful number, since it uses less digits than its factorization.

32220144231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976368021.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 32220144231 its reverse (13244102223), we get a palindrome (45464246454).

The spelling of 32220144231 in words is "thirty-two billion, two hundred twenty million, one hundred forty-four thousand, two hundred thirty-one".