221623436336324 has 12 divisors (see below), whose sum is σ = 423099287551248. Its totient is φ = 100737925607400.

The previous prime is 221623436336257. The next prime is 221623436336327. The reversal of 221623436336324 is 423633634326122.

It is not an unprimeable number, because it can be changed into a prime (221623436336327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2518448140142 + ... + 2518448140229.

It is an arithmetic number, because the mean of its divisors is an integer number (35258273962604).

Almost surely, 2^{221623436336324} is an apocalyptic number.

It is an amenable number.

221623436336324 is a deficient number, since it is larger than the sum of its proper divisors (201475851214924).

221623436336324 is a wasteful number, since it uses less digits than its factorization.

221623436336324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036896280386 (or 5036896280384 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 50.

The spelling of 221623436336324 in words is "two hundred twenty-one trillion, six hundred twenty-three billion, four hundred thirty-six million, three hundred thirty-six thousand, three hundred twenty-four".