221623436322001 has 8 divisors (see below), whose sum is σ = 253284677775360. Its totient is φ = 189962382506208.

The previous prime is 221623436321941. The next prime is 221623436322121. The reversal of 221623436322001 is 100223634326122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221623436322001 - 2¹⁷ = 221623436190929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221623436322401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44369236 + ... + 49110853.

It is an arithmetic number, because the mean of its divisors is an integer number (31660584721920).

Almost surely, 2^{221623436322001} is an apocalyptic number.

It is an amenable number.

221623436322001 is a deficient number, since it is larger than the sum of its proper divisors (31661241453359).

221623436322001 is an equidigital number, since it uses as much as digits as its factorization.

221623436322001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93818783.

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 221623436322001 in words is "two hundred twenty-one trillion, six hundred twenty-three billion, four hundred thirty-six million, three hundred twenty-two thousand, one".