22622222 has 24 divisors (see below), whose sum is σ = 39647376. Its totient is φ = 9680832.

The previous prime is 22622221. The next prime is 22622227. The reversal of 22622222 is 22222622.

22622222 is a modest number, since divided by 22222 gives 226 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 22622194 and 22622203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22622221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33278 + ... + 33950.

It is an arithmetic number, because the mean of its divisors is an integer number (1651974).

Almost surely, 2^22622222 is an apocalyptic number.

22622222 is a deficient number, since it is larger than the sum of its proper divisors (17025154).

22622222 is an frugal number, since it uses more digits than its factorization.

22622222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 682 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 22622222 is about 4756.2823717689. The cubic root of 22622222 is about 282.8210649930.

Adding to 22622222 its reverse (22222622), we get a palindrome (44844844).

The spelling of 22622222 in words is "twenty-two million, six hundred twenty-two thousand, two hundred twenty-two".