22220312302289 has 2 divisors, whose sum is σ = 22220312302290. Its totient is φ = 22220312302288.

The previous prime is 22220312302277. The next prime is 22220312302351. The reversal of 22220312302289 is 98220321302222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19520314512400 + 2699997789889 = 4418180^2 + 1643167^2 .

It is a cyclic number.

It is not a de Polignac number, because 22220312302289 - 2¹² = 22220312298193 is a prime.

It is a super-2 number, since 2×22220312302289² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22220312302229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110156151144 + 11110156151145.

It is an arithmetic number, because the mean of its divisors is an integer number (11110156151145).

Almost surely, 2^{22220312302289} is an apocalyptic number.

It is an amenable number.

22220312302289 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220312302289 is an equidigital number, since it uses as much as digits as its factorization.

22220312302289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 22220312302289 in words is "twenty-two trillion, two hundred twenty billion, three hundred twelve million, three hundred two thousand, two hundred eighty-nine".