32554221442 has 4 divisors (see below), whose sum is σ = 48831332166. Its totient is φ = 16277110720.

The previous prime is 32554221439. The next prime is 32554221443. The reversal of 32554221442 is 24412245523.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21850456761 + 10703764681 = 147819^2 + 103459^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32554221398 and 32554221407.

It is not an unprimeable number, because it can be changed into a prime (32554221443) 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 as a sum of consecutive naturals, namely, 8138555359 + ... + 8138555362.

Almost surely, 2^32554221442 is an apocalyptic number.

32554221442 is a deficient number, since it is larger than the sum of its proper divisors (16277110724).

32554221442 is a wasteful number, since it uses less digits than its factorization.

32554221442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16277110723.

The product of its digits is 76800, while the sum is 34.

Adding to 32554221442 its reverse (24412245523), we get a palindrome (56966466965).

The spelling of 32554221442 in words is "thirty-two billion, five hundred fifty-four million, two hundred twenty-one thousand, four hundred forty-two".