2221352551320 has 128 divisors (see below), whose sum is σ = 7801823715840. Its totient is φ = 495353871360.

The previous prime is 2221352551283. The next prime is 2221352551351. The reversal of 2221352551320 is 231552531222.

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 31 ways as a sum of consecutive naturals, for example, 32215162 + ... + 32284041.

It is an arithmetic number, because the mean of its divisors is an integer number (60951747780).

Almost surely, 2^{2221352551320} is an apocalyptic number.

2221352551320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221352551320 is an abundant number, since it is smaller than the sum of its proper divisors (5580471164520).

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

2221352551320 is a wasteful number, since it uses less digits than its factorization.

2221352551320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64499265 (or 64499261 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 2221352551320 in words is "two trillion, two hundred twenty-one billion, three hundred fifty-two million, five hundred fifty-one thousand, three hundred twenty".