22042122 has 8 divisors (see below), whose sum is σ = 44084256. Its totient is φ = 7347372.

The previous prime is 22042099. The next prime is 22042123. The reversal of 22042122 is 22124022.

It is a sphenic number, since it is the product of 3 distinct primes.

22042122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22042123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1836838 + ... + 1836849.

It is an arithmetic number, because the mean of its divisors is an integer number (5510532).

Almost surely, 2^22042122 is an apocalyptic number.

22042122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22042122 is a wasteful number, since it uses less digits than its factorization.

22042122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673692.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 22042122 is about 4694.9038328809. The cubic root of 22042122 is about 280.3826486021.

Adding to 22042122 its reverse (22124022), we get a palindrome (44166144).

The spelling of 22042122 in words is "twenty-two million, forty-two thousand, one hundred twenty-two".