22111022 has 8 divisors (see below), whose sum is σ = 34912200. Its totient is φ = 10473624.

The previous prime is 22111007. The next prime is 22111039. The reversal of 22111022 is 22011122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22110994 and 22111012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290897 + ... + 290972.

It is an arithmetic number, because the mean of its divisors is an integer number (4364025).

Almost surely, 2^22111022 is an apocalyptic number.

22111022 is a deficient number, since it is larger than the sum of its proper divisors (12801178).

22111022 is a wasteful number, since it uses less digits than its factorization.

22111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581890.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 22111022 is about 4702.2358511670. The cubic root of 22111022 is about 280.6744878770.

Adding to 22111022 its reverse (22011122), we get a palindrome (44122144).

The spelling of 22111022 in words is "twenty-two million, one hundred eleven thousand, twenty-two".