2221599152544 has 96 divisors (see below), whose sum is σ = 5974443365184. Its totient is φ = 722409707520.

The previous prime is 2221599152501. The next prime is 2221599152561. The reversal of 2221599152544 is 4452519951222.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79977442 + ... + 80005214.

It is an arithmetic number, because the mean of its divisors is an integer number (62233785054).

Almost surely, 2^{2221599152544} is an apocalyptic number.

2221599152544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2221599152544 is an abundant number, since it is smaller than the sum of its proper divisors (3752844212640).

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

2221599152544 is a wasteful number, since it uses less digits than its factorization.

2221599152544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48150 (or 48142 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 51.

The spelling of 2221599152544 in words is "two trillion, two hundred twenty-one billion, five hundred ninety-nine million, one hundred fifty-two thousand, five hundred forty-four".