22025211547 has 2 divisors, whose sum is σ = 22025211548. Its totient is φ = 22025211546.

The previous prime is 22025211497. The next prime is 22025211553. The reversal of 22025211547 is 74511252022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22025211547 is a prime.

It is not a weakly prime, because it can be changed into another prime (22025211647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11012605773 + 11012605774.

It is an arithmetic number, because the mean of its divisors is an integer number (11012605774).

Almost surely, 2^22025211547 is an apocalyptic number.

22025211547 is a deficient number, since it is larger than the sum of its proper divisors (1).

22025211547 is an equidigital number, since it uses as much as digits as its factorization.

22025211547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 31.

Adding to 22025211547 its reverse (74511252022), we get a palindrome (96536463569).

The spelling of 22025211547 in words is "twenty-two billion, twenty-five million, two hundred eleven thousand, five hundred forty-seven".