22221134527 has 2 divisors, whose sum is σ = 22221134528. Its totient is φ = 22221134526.

The previous prime is 22221134513. The next prime is 22221134587. The reversal of 22221134527 is 72543112222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22221134527 - 2¹⁵ = 22221101759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22221134587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110567263 + 11110567264.

It is an arithmetic number, because the mean of its divisors is an integer number (11110567264).

Almost surely, 2^22221134527 is an apocalyptic number.

22221134527 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221134527 is an equidigital number, since it uses as much as digits as its factorization.

22221134527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 31.

Adding to 22221134527 its reverse (72543112222), we get a palindrome (94764246749).

The spelling of 22221134527 in words is "twenty-two billion, two hundred twenty-one million, one hundred thirty-four thousand, five hundred twenty-seven".