1011622229 has 2 divisors, whose sum is σ = 1011622230. Its totient is φ = 1011622228.

The previous prime is 1011622223. The next prime is 1011622237. The reversal of 1011622229 is 9222261101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1011367204 + 255025 = 31802^2 + 505^2 .

It is an emirp because it is prime and its reverse (9222261101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011622229 - 2⁸ = 1011621973 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1011622198 and 1011622207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011622223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505811114 + 505811115.

It is an arithmetic number, because the mean of its divisors is an integer number (505811115).

Almost surely, 2^1011622229 is an apocalyptic number.

It is an amenable number.

1011622229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011622229 is an equidigital number, since it uses as much as digits as its factorization.

1011622229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1011622229 is about 31806.0093221391. The cubic root of 1011622229 is about 1003.8591640280.

The spelling of 1011622229 in words is "one billion, eleven million, six hundred twenty-two thousand, two hundred twenty-nine".