221444031436336 has 80 divisors (see below), whose sum is σ = 436604172732000. Its totient is φ = 108790078208000.

The previous prime is 221444031436291. The next prime is 221444031436339. The reversal of 221444031436336 is 633634130444122.

221444031436336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221444031436336² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221444031436339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262273860 + ... + 263116828.

It is an arithmetic number, because the mean of its divisors is an integer number (5457552159150).

Almost surely, 2^{221444031436336} is an apocalyptic number.

It is an amenable number.

221444031436336 is a deficient number, since it is larger than the sum of its proper divisors (215160141295664).

221444031436336 is a wasteful number, since it uses less digits than its factorization.

221444031436336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844318 (or 844312 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 46.

The spelling of 221444031436336 in words is "two hundred twenty-one trillion, four hundred forty-four billion, thirty-one million, four hundred thirty-six thousand, three hundred thirty-six".