1028147922 has 48 divisors (see below), whose sum is σ = 2309928192. Its totient is φ = 330158880.

The previous prime is 1028147921. The next prime is 1028147927. The reversal of 1028147922 is 2297418201.

1028147922 is a `hidden beast` number, since 102 + 81 + 479 + 2 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1028147921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122608 + ... + 130724.

It is an arithmetic number, because the mean of its divisors is an integer number (48123504).

Almost surely, 2^1028147922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1028147922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1154964096).

1028147922 is an abundant number, since it is smaller than the sum of its proper divisors (1281780270).

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

1028147922 is a wasteful number, since it uses less digits than its factorization.

1028147922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8383 (or 8380 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1028147922 is about 32064.7457809975. The cubic root of 1028147922 is about 1009.2959580608.

The spelling of 1028147922 in words is "one billion, twenty-eight million, one hundred forty-seven thousand, nine hundred twenty-two".