222020021429 has 2 divisors, whose sum is σ = 222020021430. Its totient is φ = 222020021428.

The previous prime is 222020021417. The next prime is 222020021507. The reversal of 222020021429 is 924120020222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222020016100 + 5329 = 471190^2 + 73^2 .

It is a cyclic number.

It is not a de Polignac number, because 222020021429 - 2⁸ = 222020021173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222020021398 and 222020021407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222020021929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111010010714 + 111010010715.

It is an arithmetic number, because the mean of its divisors is an integer number (111010010715).

Almost surely, 2^222020021429 is an apocalyptic number.

It is an amenable number.

222020021429 is a deficient number, since it is larger than the sum of its proper divisors (1).

222020021429 is an equidigital number, since it uses as much as digits as its factorization.

222020021429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 222020021429 in words is "two hundred twenty-two billion, twenty million, twenty-one thousand, four hundred twenty-nine".