22122202451 has 2 divisors, whose sum is σ = 22122202452. Its totient is φ = 22122202450.

The previous prime is 22122202373. The next prime is 22122202463. The reversal of 22122202451 is 15420222122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22122202451 - 2²² = 22118008147 is a prime.

It is not a weakly prime, because it can be changed into another prime (22122202481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061101225 + 11061101226.

It is an arithmetic number, because the mean of its divisors is an integer number (11061101226).

Almost surely, 2^22122202451 is an apocalyptic number.

22122202451 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122202451 is an equidigital number, since it uses as much as digits as its factorization.

22122202451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 22122202451 its reverse (15420222122), we get a palindrome (37542424573).

The spelling of 22122202451 in words is "twenty-two billion, one hundred twenty-two million, two hundred two thousand, four hundred fifty-one".