1022009973 has 4 divisors (see below), whose sum is σ = 1362679968. Its totient is φ = 681339980.

The previous prime is 1022009969. The next prime is 1022009983. The reversal of 1022009973 is 3799002201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3799002201 = 3 ⋅1266334067.

It is a cyclic number.

It is not a de Polignac number, because 1022009973 - 2² = 1022009969 is a prime.

It is a super-2 number, since 2×1022009973² = 2089008769822921458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022009903) 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 in 3 ways as a sum of consecutive naturals, for example, 170334993 + ... + 170334998.

It is an arithmetic number, because the mean of its divisors is an integer number (340669992).

Almost surely, 2^1022009973 is an apocalyptic number.

It is an amenable number.

1022009973 is a deficient number, since it is larger than the sum of its proper divisors (340669995).

1022009973 is an equidigital number, since it uses as much as digits as its factorization.

1022009973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340669994.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 1022009973 is about 31968.8907064352. The cubic root of 1022009973 is about 1007.2834797948.

The spelling of 1022009973 in words is "one billion, twenty-two million, nine thousand, nine hundred seventy-three".