1022023605 has 16 divisors (see below), whose sum is σ = 1675122624. Its totient is φ = 531784320.

The previous prime is 1022023537. The next prime is 1022023633. The reversal of 1022023605 is 5063202201.

It is not a de Polignac number, because 1022023605 - 2⁷ = 1022023477 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 830299 + ... + 831528.

It is an arithmetic number, because the mean of its divisors is an integer number (104695164).

Almost surely, 2^1022023605 is an apocalyptic number.

1022023605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1022023605 is a deficient number, since it is larger than the sum of its proper divisors (653099019).

1022023605 is a wasteful number, since it uses less digits than its factorization.

1022023605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661876.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1022023605 is about 31969.1039129970. The cubic root of 1022023605 is about 1007.2879582988.

Adding to 1022023605 its reverse (5063202201), we get a palindrome (6085225806).

The spelling of 1022023605 in words is "one billion, twenty-two million, twenty-three thousand, six hundred five".