1022240436431 has 2 divisors, whose sum is σ = 1022240436432. Its totient is φ = 1022240436430.

The previous prime is 1022240436407. The next prime is 1022240436439. The reversal of 1022240436431 is 1346340422201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1022240436431 - 2²² = 1022236242127 is a prime.

It is a super-2 number, since 2×1022240436431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022240436439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511120218215 + 511120218216.

It is an arithmetic number, because the mean of its divisors is an integer number (511120218216).

Almost surely, 2^{1022240436431} is an apocalyptic number.

1022240436431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022240436431 is an equidigital number, since it uses as much as digits as its factorization.

1022240436431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 1022240436431 its reverse (1346340422201), we get a palindrome (2368580858632).

The spelling of 1022240436431 in words is "one trillion, twenty-two billion, two hundred forty million, four hundred thirty-six thousand, four hundred thirty-one".