22223022442 has 8 divisors (see below), whose sum is σ = 33507252036. Its totient is φ = 11053938432.

The previous prime is 22223022439. The next prime is 22223022457. The reversal of 22223022442 is 24422032222.

It can be written as a sum of positive squares in 2 ways, for example, as 19725921601 + 2497100841 = 140449^2 + 49971^2 .

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

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, 28785913 + ... + 28786684.

Almost surely, 2^22223022442 is an apocalyptic number.

22223022442 is a deficient number, since it is larger than the sum of its proper divisors (11284229594).

22223022442 is a wasteful number, since it uses less digits than its factorization.

22223022442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57572792.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 22223022442 its reverse (24422032222), we get a palindrome (46645054664).

The spelling of 22223022442 in words is "twenty-two billion, two hundred twenty-three million, twenty-two thousand, four hundred forty-two".