22222421300044 has 12 divisors (see below), whose sum is σ = 44444842600144. Its totient is φ = 9523894842864.

The previous prime is 22222421299993. The next prime is 22222421300069. The reversal of 22222421300044 is 44000312422222.

It is a happy number.

22222421300044 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 793657903573 = 22222421300044 / (2 + 2 + 2 + 2 + 2 + 4 + 2 + 1 + 3 + 0 + 0 + 0 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 22222421299985 and 22222421300021.

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, 396828951759 + ... + 396828951814.

Almost surely, 2^{22222421300044} is an apocalyptic number.

It is an amenable number.

22222421300044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22222421300044 is a wasteful number, since it uses less digits than its factorization.

22222421300044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793657903584 (or 793657903582 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22222421300044 its reverse (44000312422222), we get a palindrome (66222733722266).

The spelling of 22222421300044 in words is "twenty-two trillion, two hundred twenty-two billion, four hundred twenty-one million, three hundred thousand, forty-four".