22822042 has 4 divisors (see below), whose sum is σ = 34233066. Its totient is φ = 11411020.

The previous prime is 22822039. The next prime is 22822067. The reversal of 22822042 is 24022822.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24022822 = 2 ⋅12011411.

It can be written as a sum of positive squares in only one way, i.e., 17799961 + 5022081 = 4219^2 + 2241^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5705509 + ... + 5705512.

Almost surely, 2^22822042 is an apocalyptic number.

22822042 is a deficient number, since it is larger than the sum of its proper divisors (11411024).

22822042 is a wasteful number, since it uses less digits than its factorization.

22822042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11411023.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 22822042 is about 4777.2420914163. The cubic root of 22822042 is about 283.6513359934.

Adding to 22822042 its reverse (24022822), we get a palindrome (46844864).

The spelling of 22822042 in words is "twenty-two million, eight hundred twenty-two thousand, forty-two".