1085622912 has 384 divisors, whose sum is σ = 3742502400. Its totient is φ = 309795840.

The previous prime is 1085622851. The next prime is 1085622919. The reversal of 1085622912 is 2192265801.

1085622912 is a `hidden beast` number, since 1 + 0 + 8 + 562 + 2 + 91 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085622919) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6500653 + ... + 6500819.

It is an arithmetic number, because the mean of its divisors is an integer number (9746100).

Almost surely, 2^1085622912 is an apocalyptic number.

1085622912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1085622912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1871251200).

1085622912 is an abundant number, since it is smaller than the sum of its proper divisors (2656879488).

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

1085622912 is a wasteful number, since it uses less digits than its factorization.

1085622912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1085622912 is about 32948.7922692168. The cubic root of 1085622912 is about 1027.7630505578.

The spelling of 1085622912 in words is "one billion, eighty-five million, six hundred twenty-two thousand, nine hundred twelve".