222020002129 has 2 divisors, whose sum is σ = 222020002130. Its totient is φ = 222020002128.

The previous prime is 222020002051. The next prime is 222020002153. The reversal of 222020002129 is 921200020222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174289550400 + 47730451729 = 417480^2 + 218473^2 .

It is a cyclic number.

It is not a de Polignac number, because 222020002129 - 2¹⁷ = 222019871057 is a prime.

It is a super-2 number, since 2×222020002129² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222020002199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111010001064 + 111010001065.

It is an arithmetic number, because the mean of its divisors is an integer number (111010001065).

Almost surely, 2^222020002129 is an apocalyptic number.

It is an amenable number.

222020002129 is a deficient number, since it is larger than the sum of its proper divisors (1).

222020002129 is an equidigital number, since it uses as much as digits as its factorization.

222020002129 is an evil number, because the sum of its binary digits is even.

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

The spelling of 222020002129 in words is "two hundred twenty-two billion, twenty million, two thousand, one hundred twenty-nine".