22044414451 has 2 divisors, whose sum is σ = 22044414452. Its totient is φ = 22044414450.

The previous prime is 22044414449. The next prime is 22044414499. The reversal of 22044414451 is 15441444022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22044414451 - 2¹ = 22044414449 is a prime.

Together with 22044414449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22044414421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11022207225 + 11022207226.

It is an arithmetic number, because the mean of its divisors is an integer number (11022207226).

Almost surely, 2^22044414451 is an apocalyptic number.

22044414451 is a deficient number, since it is larger than the sum of its proper divisors (1).

22044414451 is an equidigital number, since it uses as much as digits as its factorization.

22044414451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 22044414451 its reverse (15441444022), we get a palindrome (37485858473).

The spelling of 22044414451 in words is "twenty-two billion, forty-four million, four hundred fourteen thousand, four hundred fifty-one".