22010129 has 2 divisors, whose sum is σ = 22010130. Its totient is φ = 22010128.

The previous prime is 22010123. The next prime is 22010137. The reversal of 22010129 is 92101022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13337104 + 8673025 = 3652^2 + 2945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22010129 is a prime.

It is not a weakly prime, because it can be changed into another prime (22010123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005064 + 11005065.

It is an arithmetic number, because the mean of its divisors is an integer number (11005065).

Almost surely, 2^22010129 is an apocalyptic number.

It is an amenable number.

22010129 is a deficient number, since it is larger than the sum of its proper divisors (1).

22010129 is an equidigital number, since it uses as much as digits as its factorization.

22010129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 22010129 is about 4691.4953905978. The cubic root of 22010129 is about 280.2469292803.

The spelling of 22010129 in words is "twenty-two million, ten thousand, one hundred twenty-nine".