32221553212340 has 24 divisors (see below), whose sum is σ = 68198059087872. Its totient is φ = 12787136076960.

The previous prime is 32221553212337. The next prime is 32221553212361. The reversal of 32221553212340 is 4321235512223.

It is a self number, because there is not a number n which added to its sum of digits gives 32221553212340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6342822896 + ... + 6342827975.

It is an arithmetic number, because the mean of its divisors is an integer number (2841585795328).

Almost surely, 2^{32221553212340} is an apocalyptic number.

It is an amenable number.

32221553212340 is an abundant number, since it is smaller than the sum of its proper divisors (35976505875532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32221553212340 is a wasteful number, since it uses less digits than its factorization.

32221553212340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12685651007 (or 12685651005 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 32221553212340 its reverse (4321235512223), we get a palindrome (36542788724563).

The spelling of 32221553212340 in words is "thirty-two trillion, two hundred twenty-one billion, five hundred fifty-three million, two hundred twelve thousand, three hundred forty".