2223721736064 has 96 divisors (see below), whose sum is σ = 6519726790200. Its totient is φ = 727254887424.

The previous prime is 2223721736053. The next prime is 2223721736081. The reversal of 2223721736064 is 4606371273222.

2223721736064 is a `hidden beast` number, since 2 + 2 + 2 + 37 + 2 + 1 + 7 + 3 + 606 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18149454 + ... + 18271565.

Almost surely, 2^{2223721736064} is an apocalyptic number.

2223721736064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2223721736064 is an abundant number, since it is smaller than the sum of its proper divisors (4296005054136).

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

2223721736064 is a wasteful number, since it uses less digits than its factorization.

2223721736064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36421092 (or 36421077 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 45.

The spelling of 2223721736064 in words is "two trillion, two hundred twenty-three billion, seven hundred twenty-one million, seven hundred thirty-six thousand, sixty-four".