2220525533421 has 128 divisors (see below), whose sum is σ = 3630432960000. Its totient is φ = 1333193472000.

The previous prime is 2220525533419. The next prime is 2220525533431. The reversal of 2220525533421 is 1243355250222.

It is a happy number.

2220525533421 is a `hidden beast` number, since 2 + 2 + 2 + 0 + 52 + 553 + 34 + 21 = 666.

It is not a de Polignac number, because 2220525533421 - 2¹ = 2220525533419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220525533411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 691966465 + ... + 691969673.

It is an arithmetic number, because the mean of its divisors is an integer number (28362757500).

Almost surely, 2^{2220525533421} is an apocalyptic number.

It is an amenable number.

2220525533421 is a deficient number, since it is larger than the sum of its proper divisors (1409907426579).

2220525533421 is a wasteful number, since it uses less digits than its factorization.

2220525533421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612 (or 3606 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 2220525533421 in words is "two trillion, two hundred twenty billion, five hundred twenty-five million, five hundred thirty-three thousand, four hundred twenty-one".