221003422 has 4 divisors (see below), whose sum is σ = 331505136. Its totient is φ = 110501710.

The previous prime is 221003413. The next prime is 221003423. The reversal of 221003422 is 224300122.

221003422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224300122 = 2 ⋅112150061.

It is a junction number, because it is equal to n+sod(n) for n = 221003396 and 221003405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221003423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55250854 + ... + 55250857.

It is an arithmetic number, because the mean of its divisors is an integer number (82876284).

Almost surely, 2^221003422 is an apocalyptic number.

221003422 is a deficient number, since it is larger than the sum of its proper divisors (110501714).

221003422 is a wasteful number, since it uses less digits than its factorization.

221003422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110501713.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 221003422 is about 14866.1838411880. The cubic root of 221003422 is about 604.5974801310.

Adding to 221003422 its reverse (224300122), we get a palindrome (445303544).

The spelling of 221003422 in words is "two hundred twenty-one million, three thousand, four hundred twenty-two".