1025822568 has 128 divisors (see below), whose sum is σ = 2830464000. Its totient is φ = 308367360.

The previous prime is 1025822527. The next prime is 1025822573. The reversal of 1025822568 is 8652285201.

It is a super-2 number, since 2×1025822568² = 2104623882036229248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2141353 + ... + 2141831.

It is an arithmetic number, because the mean of its divisors is an integer number (22113000).

Almost surely, 2^1025822568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025822568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1415232000).

1025822568 is an abundant number, since it is smaller than the sum of its proper divisors (1804641432).

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

1025822568 is a wasteful number, since it uses less digits than its factorization.

1025822568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 1025822568 is about 32028.4649647778. The cubic root of 1025822568 is about 1008.5344781400.

The spelling of 1025822568 in words is "one billion, twenty-five million, eight hundred twenty-two thousand, five hundred sixty-eight".