22201429 has 2 divisors, whose sum is σ = 22201430. Its totient is φ = 22201428.

The previous prime is 22201411. The next prime is 22201451. The reversal of 22201429 is 92410222.

It is an a-pointer prime, because the next prime (22201451) can be obtained adding 22201429 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22043025 + 158404 = 4695^2 + 398^2 .

It is a cyclic number.

It is not a de Polignac number, because 22201429 - 2¹¹ = 22199381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22201409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100714 + 11100715.

It is an arithmetic number, because the mean of its divisors is an integer number (11100715).

Almost surely, 2^22201429 is an apocalyptic number.

It is an amenable number.

22201429 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201429 is an equidigital number, since it uses as much as digits as its factorization.

22201429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 22201429 is about 4711.8392374953. The cubic root of 22201429 is about 281.0565059890.

The spelling of 22201429 in words is "twenty-two million, two hundred one thousand, four hundred twenty-nine".