1022799031 has 2 divisors, whose sum is σ = 1022799032. Its totient is φ = 1022799030.

The previous prime is 1022798977. The next prime is 1022799077. The reversal of 1022799031 is 1309972201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022799031 is a prime.

It is a super-2 number, since 2×1022799031² = 2092235715629077922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022799931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511399515 + 511399516.

It is an arithmetic number, because the mean of its divisors is an integer number (511399516).

Almost surely, 2^1022799031 is an apocalyptic number.

1022799031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022799031 is an equidigital number, since it uses as much as digits as its factorization.

1022799031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 1022799031 is about 31981.2293541071. The cubic root of 1022799031 is about 1007.5426425067.

The spelling of 1022799031 in words is "one billion, twenty-two million, seven hundred ninety-nine thousand, thirty-one".