22402022 has 8 divisors (see below), whose sum is σ = 35579736. Its totient is φ = 10542112.

The previous prime is 22402013. The next prime is 22402049. The reversal of 22402022 is 22020422.

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 = 22401988 and 22402006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329408 + ... + 329475.

It is an arithmetic number, because the mean of its divisors is an integer number (4447467).

Almost surely, 2^22402022 is an apocalyptic number.

22402022 is a deficient number, since it is larger than the sum of its proper divisors (13177714).

22402022 is a wasteful number, since it uses less digits than its factorization.

22402022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658902.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 22402022 is about 4733.0774343972. The cubic root of 22402022 is about 281.9004309548.

Adding to 22402022 its reverse (22020422), we get a palindrome (44422444).

The spelling of 22402022 in words is "twenty-two million, four hundred two thousand, twenty-two".