1023001022 has 4 divisors (see below), whose sum is σ = 1534501536. Its totient is φ = 511500510.

The previous prime is 1023001009. The next prime is 1023001033. The reversal of 1023001022 is 2201003201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1023000994 and 1023001012.

It is a congruent number.

It is an unprimeable number.

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, 255750254 + ... + 255750257.

It is an arithmetic number, because the mean of its divisors is an integer number (383625384).

Almost surely, 2^1023001022 is an apocalyptic number.

1023001022 is a deficient number, since it is larger than the sum of its proper divisors (511500514).

1023001022 is an equidigital number, since it uses as much as digits as its factorization.

1023001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511500513.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1023001022 is about 31984.3871599879. The cubic root of 1023001022 is about 1007.6089641541.

Adding to 1023001022 its reverse (2201003201), we get a palindrome (3224004223).

The spelling of 1023001022 in words is "one billion, twenty-three million, one thousand, twenty-two".