22320154427 has 2 divisors, whose sum is σ = 22320154428. Its totient is φ = 22320154426.

The previous prime is 22320154399. The next prime is 22320154447. The reversal of 22320154427 is 72445102322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22320154427 is a prime.

It is a super-3 number, since 3×22320154427³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22320154393 and 22320154402.

It is not a weakly prime, because it can be changed into another prime (22320154447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11160077213 + 11160077214.

It is an arithmetic number, because the mean of its divisors is an integer number (11160077214).

Almost surely, 2^22320154427 is an apocalyptic number.

22320154427 is a deficient number, since it is larger than the sum of its proper divisors (1).

22320154427 is an equidigital number, since it uses as much as digits as its factorization.

22320154427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 32.

Adding to 22320154427 its reverse (72445102322), we get a palindrome (94765256749).

The spelling of 22320154427 in words is "twenty-two billion, three hundred twenty million, one hundred fifty-four thousand, four hundred twenty-seven".