1022023634 has 8 divisors (see below), whose sum is σ = 1542215808. Its totient is φ = 507951700.

The previous prime is 1022023633. The next prime is 1022023649. The reversal of 1022023634 is 4363202201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1022023633) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1529642 + ... + 1530309.

It is an arithmetic number, because the mean of its divisors is an integer number (192776976).

Almost surely, 2^1022023634 is an apocalyptic number.

1022023634 is a deficient number, since it is larger than the sum of its proper divisors (520192174).

1022023634 is a wasteful number, since it uses less digits than its factorization.

1022023634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060120.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1022023634 is about 31969.1043665599. The cubic root of 1022023634 is about 1007.2879678261.

Adding to 1022023634 its reverse (4363202201), we get a palindrome (5385225835).

The spelling of 1022023634 in words is "one billion, twenty-two million, twenty-three thousand, six hundred thirty-four".