22420421042 has 8 divisors (see below), whose sum is σ = 34056336000. Its totient is φ = 11068309044.

The previous prime is 22420421033. The next prime is 22420421047. The reversal of 22420421042 is 24012402422.

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 = 22420420999 and 22420421017.

It is not an unprimeable number, because it can be changed into a prime (22420421047) 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, 70950542 + ... + 70950857.

It is an arithmetic number, because the mean of its divisors is an integer number (4257042000).

Almost surely, 2^22420421042 is an apocalyptic number.

22420421042 is a deficient number, since it is larger than the sum of its proper divisors (11635914958).

22420421042 is a wasteful number, since it uses less digits than its factorization.

22420421042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141901480.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 22420421042 its reverse (24012402422), we get a palindrome (46432823464).

The spelling of 22420421042 in words is "twenty-two billion, four hundred twenty million, four hundred twenty-one thousand, forty-two".