222011422 has 4 divisors (see below), whose sum is σ = 333017136. Its totient is φ = 111005710.

The previous prime is 222011399. The next prime is 222011423. The reversal of 222011422 is 224110222.

222011422 is digitally balanced in base 2, 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.

It is a junction number, because it is equal to n+sod(n) for n = 222011396 and 222011405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55502854 + ... + 55502857.

It is an arithmetic number, because the mean of its divisors is an integer number (83254284).

Almost surely, 2^222011422 is an apocalyptic number.

222011422 is a deficient number, since it is larger than the sum of its proper divisors (111005714).

222011422 is a wasteful number, since it uses less digits than its factorization.

222011422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111005713.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 222011422 is about 14900.0477180444. The cubic root of 222011422 is about 605.5152789729.

Adding to 222011422 its reverse (224110222), we get a palindrome (446121644).

The spelling of 222011422 in words is "two hundred twenty-two million, eleven thousand, four hundred twenty-two".