22223014421 has 2 divisors, whose sum is σ = 22223014422. Its totient is φ = 22223014420.

The previous prime is 22223014417. The next prime is 22223014439. The reversal of 22223014421 is 12441032222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17755562500 + 4467451921 = 133250^2 + 66839^2 .

It is a cyclic number.

It is not a de Polignac number, because 22223014421 - 2² = 22223014417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22223016421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111507210 + 11111507211.

It is an arithmetic number, because the mean of its divisors is an integer number (11111507211).

Almost surely, 2^22223014421 is an apocalyptic number.

It is an amenable number.

22223014421 is a deficient number, since it is larger than the sum of its proper divisors (1).

22223014421 is an equidigital number, since it uses as much as digits as its factorization.

22223014421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22223014421 its reverse (12441032222), we get a palindrome (34664046643).

The spelling of 22223014421 in words is "twenty-two billion, two hundred twenty-three million, fourteen thousand, four hundred twenty-one".