22401014477 has 2 divisors, whose sum is σ = 22401014478. Its totient is φ = 22401014476.

The previous prime is 22401014443. The next prime is 22401014513. The reversal of 22401014477 is 77441010422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22342476676 + 58537801 = 149474^2 + 7651^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22401014477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22401014177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11200507238 + 11200507239.

It is an arithmetic number, because the mean of its divisors is an integer number (11200507239).

Almost surely, 2^22401014477 is an apocalyptic number.

It is an amenable number.

22401014477 is a deficient number, since it is larger than the sum of its proper divisors (1).

22401014477 is an equidigital number, since it uses as much as digits as its factorization.

22401014477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 32.

Adding to 22401014477 its reverse (77441010422), we get a palindrome (99842024899).

The spelling of 22401014477 in words is "twenty-two billion, four hundred one million, fourteen thousand, four hundred seventy-seven".