22001122 has 32 divisors (see below), whose sum is σ = 39695040. Its totient is φ = 9011520.

The previous prime is 22001113. The next prime is 22001129. The reversal of 22001122 is 22110022.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22001099 and 22001108.

It is not an unprimeable number, because it can be changed into a prime (22001129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11404 + ... + 13192.

It is an arithmetic number, because the mean of its divisors is an integer number (1240470).

Almost surely, 2^22001122 is an apocalyptic number.

22001122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22001122 is a deficient number, since it is larger than the sum of its proper divisors (17693918).

22001122 is a wasteful number, since it uses less digits than its factorization.

22001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 22001122 is about 4690.5353639004. The cubic root of 22001122 is about 280.2086964514.

Adding to 22001122 its reverse (22110022), we get a palindrome (44111144).

Subtracting 22001122 from its reverse (22110022), we obtain a square (108900 = 330²).

The spelling of 22001122 in words is "twenty-two million, one thousand, one hundred twenty-two".