22822447042 has 8 divisors (see below), whose sum is σ = 34240797756. Its totient is φ = 11408847792.

The previous prime is 22822447031. The next prime is 22822447093. The reversal of 22822447042 is 24074422822.

It is a Cunningham number, because it is equal to 151071²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 22822447041 + 1 = 151071^2 + 1^2 .

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 = 22822446992 and 22822447010.

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, 1175833 + ... + 1195084.

Almost surely, 2^22822447042 is an apocalyptic number.

22822447042 is a deficient number, since it is larger than the sum of its proper divisors (11418350714).

22822447042 is a wasteful number, since it uses less digits than its factorization.

22822447042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375732.

The product of its (nonzero) digits is 114688, while the sum is 37.

Adding to 22822447042 its reverse (24074422822), we get a palindrome (46896869864).

The spelling of 22822447042 in words is "twenty-two billion, eight hundred twenty-two million, four hundred forty-seven thousand, forty-two".