1022432681 has 2 divisors, whose sum is σ = 1022432682. Its totient is φ = 1022432680.

The previous prime is 1022432611. The next prime is 1022432711. The reversal of 1022432681 is 1862342201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 559795600 + 462637081 = 23660^2 + 21509^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022432681 is a prime.

It is a super-2 number, since 2×1022432681² = 2090737174353695522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1022432611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511216340 + 511216341.

It is an arithmetic number, because the mean of its divisors is an integer number (511216341).

Almost surely, 2^1022432681 is an apocalyptic number.

It is an amenable number.

1022432681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022432681 is an equidigital number, since it uses as much as digits as its factorization.

1022432681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1022432681 is about 31975.5012626855. The cubic root of 1022432681 is about 1007.4223330048.

Adding to 1022432681 its reverse (1862342201), we get a palindrome (2884774882).

The spelling of 1022432681 in words is "one billion, twenty-two million, four hundred thirty-two thousand, six hundred eighty-one".