221414104014550 has 24 divisors (see below), whose sum is σ = 426031276003200. Its totient is φ = 85511653963680.

The previous prime is 221414104014539. The next prime is 221414104014619. The reversal of 221414104014550 is 55410401414122.

It is a super-2 number, since 2×221414104014550² (a number of 29 digits) contains 22 as substring.

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, 76349689590 + ... + 76349692489.

It is an arithmetic number, because the mean of its divisors is an integer number (17751303166800).

Almost surely, 2^{221414104014550} is an apocalyptic number.

221414104014550 is a deficient number, since it is larger than the sum of its proper divisors (204617171988650).

221414104014550 is a wasteful number, since it uses less digits than its factorization.

221414104014550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152699382120 (or 152699382115 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

Adding to 221414104014550 its reverse (55410401414122), we get a palindrome (276824505428672).

The spelling of 221414104014550 in words is "two hundred twenty-one trillion, four hundred fourteen billion, one hundred four million, fourteen thousand, five hundred fifty".