22120022 has 8 divisors (see below), whose sum is σ = 33634776. Its totient is φ = 10908432.

The previous prime is 22119989. The next prime is 22120031. The reversal of 22120022 is 22002122.

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 = 22119985 and 22120012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75608 + ... + 75899.

It is an arithmetic number, because the mean of its divisors is an integer number (4204347).

Almost surely, 2^22120022 is an apocalyptic number.

22120022 is a deficient number, since it is larger than the sum of its proper divisors (11514754).

22120022 is a wasteful number, since it uses less digits than its factorization.

22120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151582.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 22120022 is about 4703.1927453593. The cubic root of 22120022 is about 280.7125643280.

Adding to 22120022 its reverse (22002122), we get a palindrome (44122144).

The spelling of 22120022 in words is "twenty-two million, one hundred twenty thousand, twenty-two".