221422722462232 has 16 divisors (see below), whose sum is σ = 415169520373800. Its totient is φ = 110710850362560.

The previous prime is 221422722462131. The next prime is 221422722462239. The reversal of 221422722462232 is 232264227224122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221422722462239) 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, 62013382 + ... + 65486677.

Almost surely, 2^{221422722462232} is an apocalyptic number.

It is an amenable number.

221422722462232 is a deficient number, since it is larger than the sum of its proper divisors (193746797911568).

221422722462232 is a wasteful number, since it uses less digits than its factorization.

221422722462232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127717146 (or 127717142 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 43.

Adding to 221422722462232 its reverse (232264227224122), we get a palindrome (453686949686354).

The spelling of 221422722462232 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, seven hundred twenty-two million, four hundred sixty-two thousand, two hundred thirty-two".