22242022 has 8 divisors (see below), whose sum is σ = 36396072. Its totient is φ = 10110000.

The previous prime is 22242019. The next prime is 22242023. The reversal of 22242022 is 22024222.

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 = 22241987 and 22242005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22242023) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 505479 + ... + 505522.

It is an arithmetic number, because the mean of its divisors is an integer number (4549509).

Almost surely, 2^22242022 is an apocalyptic number.

22242022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22242022 is a deficient number, since it is larger than the sum of its proper divisors (14154050).

22242022 is a wasteful number, since it uses less digits than its factorization.

22242022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011014.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 22242022 is about 4716.1448239001. The cubic root of 22242022 is about 281.2276958773.

Adding to 22242022 its reverse (22024222), we get a palindrome (44266244).

The spelling of 22242022 in words is "twenty-two million, two hundred forty-two thousand, twenty-two".