1222752031 has 2 divisors, whose sum is σ = 1222752032. Its totient is φ = 1222752030.

The previous prime is 1222752017. The next prime is 1222752119. The reversal of 1222752031 is 1302572221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222752031 - 2⁷ = 1222751903 is a prime.

It is a super-2 number, since 2×1222752031² = 2990245058629249922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222751987 and 1222752005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222752001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611376015 + 611376016.

It is an arithmetic number, because the mean of its divisors is an integer number (611376016).

Almost surely, 2^1222752031 is an apocalyptic number.

1222752031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222752031 is an equidigital number, since it uses as much as digits as its factorization.

1222752031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1222752031 is about 34967.8714107679. The cubic root of 1222752031 is about 1069.3325767580.

The spelling of 1222752031 in words is "one billion, two hundred twenty-two million, seven hundred fifty-two thousand, thirty-one".