22400810429 has 2 divisors, whose sum is σ = 22400810430. Its totient is φ = 22400810428.

The previous prime is 22400810401. The next prime is 22400810447. The reversal of 22400810429 is 92401800422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22187592025 + 213218404 = 148955^2 + 14602^2 .

It is a cyclic number.

It is not a de Polignac number, because 22400810429 - 2²⁸ = 22132374973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22400810395 and 22400810404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22400810329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11200405214 + 11200405215.

It is an arithmetic number, because the mean of its divisors is an integer number (11200405215).

Almost surely, 2^22400810429 is an apocalyptic number.

It is an amenable number.

22400810429 is a deficient number, since it is larger than the sum of its proper divisors (1).

22400810429 is an equidigital number, since it uses as much as digits as its factorization.

22400810429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 22400810429 in words is "twenty-two billion, four hundred million, eight hundred ten thousand, four hundred twenty-nine".