221422047303376 has 40 divisors (see below), whose sum is σ = 440607354027624. Its totient is φ = 107717024217600.

The previous prime is 221422047303349. The next prime is 221422047303377. The reversal of 221422047303376 is 673303740224122.

221422047303376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 32915188454976 + 188506858848400 = 5737176^2 + 13729780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221422047303377) 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, 32468166 + ... + 38691418.

Almost surely, 2^{221422047303376} is an apocalyptic number.

It is an amenable number.

221422047303376 is a deficient number, since it is larger than the sum of its proper divisors (219185306724248).

221422047303376 is a wasteful number, since it uses less digits than its factorization.

221422047303376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6283399 (or 6283393 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 46.

Adding to 221422047303376 its reverse (673303740224122), we get a palindrome (894725787527498).

The spelling of 221422047303376 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, forty-seven million, three hundred three thousand, three hundred seventy-six".