22231532102251 has 2 divisors, whose sum is σ = 22231532102252. Its totient is φ = 22231532102250.

The previous prime is 22231532102243. The next prime is 22231532102309. The reversal of 22231532102251 is 15220123513222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22231532102251 - 2³ = 22231532102243 is a prime.

It is a super-2 number, since 2×22231532102251² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22231532102201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11115766051125 + 11115766051126.

It is an arithmetic number, because the mean of its divisors is an integer number (11115766051126).

Almost surely, 2^{22231532102251} is an apocalyptic number.

22231532102251 is a deficient number, since it is larger than the sum of its proper divisors (1).

22231532102251 is an equidigital number, since it uses as much as digits as its factorization.

22231532102251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 22231532102251 its reverse (15220123513222), we get a palindrome (37451655615473).

The spelling of 22231532102251 in words is "twenty-two trillion, two hundred thirty-one billion, five hundred thirty-two million, one hundred two thousand, two hundred fifty-one".