1220222022029 has 2 divisors, whose sum is σ = 1220222022030. Its totient is φ = 1220222022028.

The previous prime is 1220222021989. The next prime is 1220222022203. The reversal of 1220222022029 is 9202202220221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1208071369129 + 12150652900 = 1099123^2 + 110230^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220222022029 - 2²⁸ = 1219953586573 is a prime.

It is a super-2 number, since 2×1220222022029² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220222021989 and 1220222022007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220222052029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610111011014 + 610111011015.

It is an arithmetic number, because the mean of its divisors is an integer number (610111011015).

Almost surely, 2^{1220222022029} is an apocalyptic number.

It is an amenable number.

1220222022029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220222022029 is an equidigital number, since it uses as much as digits as its factorization.

1220222022029 is an evil number, because the sum of its binary digits is even.

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

The spelling of 1220222022029 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, twenty-two thousand, twenty-nine".