1232220029 has 2 divisors, whose sum is σ = 1232220030. Its totient is φ = 1232220028.

The previous prime is 1232220001. The next prime is 1232220037. The reversal of 1232220029 is 9200222321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1000267129 + 231952900 = 31627^2 + 15230^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232220029 - 2¹⁶ = 1232154493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232219986 and 1232220013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232220079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616110014 + 616110015.

It is an arithmetic number, because the mean of its divisors is an integer number (616110015).

Almost surely, 2^1232220029 is an apocalyptic number.

It is an amenable number.

1232220029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232220029 is an equidigital number, since it uses as much as digits as its factorization.

1232220029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1232220029 is about 35102.9917385969. The cubic root of 1232220029 is about 1072.0854976200.

The spelling of 1232220029 in words is "one billion, two hundred thirty-two million, two hundred twenty thousand, twenty-nine".