221240046350 has 72 divisors (see below), whose sum is σ = 432438072192. Its totient is φ = 84203257600.

The previous prime is 221240046347. The next prime is 221240046353. The reversal of 221240046350 is 53640042122.

It is an interprime number because it is at equal distance from previous prime (221240046347) and next prime (221240046353).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221240046353) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5030054 + ... + 5073846.

It is an arithmetic number, because the mean of its divisors is an integer number (6006084336).

Almost surely, 2^221240046350 is an apocalyptic number.

221240046350 is a deficient number, since it is larger than the sum of its proper divisors (211198025842).

221240046350 is a wasteful number, since it uses less digits than its factorization.

221240046350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44042 (or 44014 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 221240046350 its reverse (53640042122), we get a palindrome (274880088472).

The spelling of 221240046350 in words is "two hundred twenty-one billion, two hundred forty million, forty-six thousand, three hundred fifty".