1022032998 has 64 divisors (see below), whose sum is σ = 2599441920. Its totient is φ = 291581856.

The previous prime is 1022032997. The next prime is 1022033011. The reversal of 1022032998 is 8992302201.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022032997) 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 31 ways as a sum of consecutive naturals, for example, 329965 + ... + 333047.

It is an arithmetic number, because the mean of its divisors is an integer number (40616280).

Almost surely, 2^1022032998 is an apocalyptic number.

1022032998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022032998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1299720960).

1022032998 is an abundant number, since it is smaller than the sum of its proper divisors (1577408922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022032998 is a wasteful number, since it uses less digits than its factorization.

1022032998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978 (or 3972 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1022032998 is about 31969.2508201240. The cubic root of 1022032998 is about 1007.2910441463.

The spelling of 1022032998 in words is "one billion, twenty-two million, thirty-two thousand, nine hundred ninety-eight".