22211422 has 16 divisors (see below), whose sum is σ = 35616672. Its totient is φ = 10362880.

The previous prime is 22211417. The next prime is 22211429. The reversal of 22211422 is 22411222.

It is a junction number, because it is equal to n+sod(n) for n = 22211396 and 22211405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211429) 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, 4003 + ... + 7774.

It is an arithmetic number, because the mean of its divisors is an integer number (2226042).

Almost surely, 2^22211422 is an apocalyptic number.

22211422 is a deficient number, since it is larger than the sum of its proper divisors (13405250).

22211422 is a wasteful number, since it uses less digits than its factorization.

22211422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11843.

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

The square root of 22211422 is about 4712.8995321352. The cubic root of 22211422 is about 281.0986680855.

Adding to 22211422 its reverse (22411222), we get a palindrome (44622644).

The spelling of 22211422 in words is "twenty-two million, two hundred eleven thousand, four hundred twenty-two".