22401122 has 16 divisors (see below), whose sum is σ = 34172280. Its totient is φ = 11011968.

The previous prime is 22401109. The next prime is 22401143. The reversal of 22401122 is 22110422.

It can be written as a sum of positive squares in 4 ways, for example, as 12103441 + 10297681 = 3479^2 + 3209^2 .

It is a super-3 number, since 3×22401122³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22401097 and 22401106.

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 7 ways as a sum of consecutive naturals, for example, 56228 + ... + 56624.

Almost surely, 2^22401122 is an apocalyptic number.

22401122 is a deficient number, since it is larger than the sum of its proper divisors (11771158).

22401122 is a wasteful number, since it uses less digits than its factorization.

22401122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 22401122 is about 4732.9823578796. The cubic root of 22401122 is about 281.8966557928.

Adding to 22401122 its reverse (22110422), we get a palindrome (44511544).

The spelling of 22401122 in words is "twenty-two million, four hundred one thousand, one hundred twenty-two".