1022009969 has 2 divisors, whose sum is σ = 1022009970. Its totient is φ = 1022009968.

The previous prime is 1022009951. The next prime is 1022009983. The reversal of 1022009969 is 9699002201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 638320225 + 383689744 = 25265^2 + 19588^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022009969 - 2²⁰ = 1020961393 is a prime.

It is a super-2 number, since 2×1022009969² = 2089008753470761922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1022008969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511004984 + 511004985.

It is an arithmetic number, because the mean of its divisors is an integer number (511004985).

Almost surely, 2^1022009969 is an apocalyptic number.

It is an amenable number.

1022009969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022009969 is an equidigital number, since it uses as much as digits as its factorization.

1022009969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 1022009969 is about 31968.8906438744. The cubic root of 1022009969 is about 1007.2834784807.

The spelling of 1022009969 in words is "one billion, twenty-two million, nine thousand, nine hundred sixty-nine".