22119208477 has 2 divisors, whose sum is σ = 22119208478. Its totient is φ = 22119208476.

The previous prime is 22119208459. The next prime is 22119208543. The reversal of 22119208477 is 77480291122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13466674116 + 8652534361 = 116046^2 + 93019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22119208477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22119208427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11059604238 + 11059604239.

It is an arithmetic number, because the mean of its divisors is an integer number (11059604239).

Almost surely, 2^22119208477 is an apocalyptic number.

It is an amenable number.

22119208477 is a deficient number, since it is larger than the sum of its proper divisors (1).

22119208477 is an equidigital number, since it uses as much as digits as its factorization.

22119208477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 43.

Adding to 22119208477 its reverse (77480291122), we get a palindrome (99599499599).

The spelling of 22119208477 in words is "twenty-two billion, one hundred nineteen million, two hundred eight thousand, four hundred seventy-seven".