22222622 has 4 divisors (see below), whose sum is σ = 33333936. Its totient is φ = 11111310.

The previous prime is 22222601. The next prime is 22222631. The reversal of 22222622 is 22622222.

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 = 22222594 and 22222603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555654 + ... + 5555657.

It is an arithmetic number, because the mean of its divisors is an integer number (8333484).

Almost surely, 2^22222622 is an apocalyptic number.

22222622 is a deficient number, since it is larger than the sum of its proper divisors (11111314).

22222622 is a wasteful number, since it uses less digits than its factorization.

22222622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11111313.

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

The square root of 22222622 is about 4714.0876105563. The cubic root of 22222622 is about 281.1459076853.

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

The spelling of 22222622 in words is "twenty-two million, two hundred twenty-two thousand, six hundred twenty-two".