22229532869 has 2 divisors, whose sum is σ = 22229532870. Its totient is φ = 22229532868.

The previous prime is 22229532841. The next prime is 22229532907. The reversal of 22229532869 is 96823592222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19604200225 + 2625332644 = 140015^2 + 51238^2 .

It is a cyclic number.

It is not a de Polignac number, because 22229532869 - 2²⁸ = 21961097413 is a prime.

It is a super-2 number, since 2×22229532869² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22229532839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11114766434 + 11114766435.

It is an arithmetic number, because the mean of its divisors is an integer number (11114766435).

Almost surely, 2^22229532869 is an apocalyptic number.

It is an amenable number.

22229532869 is a deficient number, since it is larger than the sum of its proper divisors (1).

22229532869 is an equidigital number, since it uses as much as digits as its factorization.

22229532869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 50.

The spelling of 22229532869 in words is "twenty-two billion, two hundred twenty-nine million, five hundred thirty-two thousand, eight hundred sixty-nine".