22540353229 has 2 divisors, whose sum is σ = 22540353230. Its totient is φ = 22540353228.

The previous prime is 22540353221. The next prime is 22540353247. The reversal of 22540353229 is 92235304522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13150355625 + 9389997604 = 114675^2 + 96902^2 .

It is a cyclic number.

It is not a de Polignac number, because 22540353229 - 2³ = 22540353221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22540353221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11270176614 + 11270176615.

It is an arithmetic number, because the mean of its divisors is an integer number (11270176615).

Almost surely, 2^22540353229 is an apocalyptic number.

It is an amenable number.

22540353229 is a deficient number, since it is larger than the sum of its proper divisors (1).

22540353229 is an equidigital number, since it uses as much as digits as its factorization.

22540353229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 37.

It can be divided in two parts, 22540 and 353229, that added together give a square (375769 = 613²).

The spelling of 22540353229 in words is "twenty-two billion, five hundred forty million, three hundred fifty-three thousand, two hundred twenty-nine".