222122312029 has 2 divisors, whose sum is σ = 222122312030. Its totient is φ = 222122312028.

The previous prime is 222122312017. The next prime is 222122312051. The reversal of 222122312029 is 920213221222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217897572025 + 4224740004 = 466795^2 + 64998^2 .

It is a cyclic number.

It is not a de Polignac number, because 222122312029 - 2¹⁵ = 222122279261 is a prime.

It is a super-2 number, since 2×222122312029² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222122311988 and 222122312006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222122312089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061156014 + 111061156015.

It is an arithmetic number, because the mean of its divisors is an integer number (111061156015).

Almost surely, 2^222122312029 is an apocalyptic number.

It is an amenable number.

222122312029 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122312029 is an equidigital number, since it uses as much as digits as its factorization.

222122312029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 222122312029 in words is "two hundred twenty-two billion, one hundred twenty-two million, three hundred twelve thousand, twenty-nine".