2221424063525 has 12 divisors (see below), whose sum is σ = 2899542988800. Its totient is φ = 1683605605680.

The previous prime is 2221424063491. The next prime is 2221424063531. The reversal of 2221424063525 is 5253604241222.

It is not a de Polignac number, because 2221424063525 - 2³⁶ = 2152704586789 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2338340645 + ... + 2338341594.

It is an arithmetic number, because the mean of its divisors is an integer number (241628582400).

Almost surely, 2^{2221424063525} is an apocalyptic number.

2221424063525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2221424063525 is a deficient number, since it is larger than the sum of its proper divisors (678118925275).

2221424063525 is a wasteful number, since it uses less digits than its factorization.

2221424063525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4676682268 (or 4676682263 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 2221424063525 in words is "two trillion, two hundred twenty-one billion, four hundred twenty-four million, sixty-three thousand, five hundred twenty-five".