1005222080 has 28 divisors (see below), whose sum is σ = 2393685840. Its totient is φ = 402088704.

The previous prime is 1005222077. The next prime is 1005222109. The reversal of 1005222080 is 802225001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1570340 + ... + 1570979.

It is an arithmetic number, because the mean of its divisors is an integer number (85488780).

Almost surely, 2^1005222080 is an apocalyptic number.

1005222080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005222080 is an abundant number, since it is smaller than the sum of its proper divisors (1388463760).

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

1005222080 is an equidigital number, since it uses as much as digits as its factorization.

1005222080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141336 (or 3141326 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1005222080 is about 31705.2374222304. The cubic root of 1005222080 is about 1001.7376720801.

Adding to 1005222080 its reverse (802225001), we get a palindrome (1807447081).

The spelling of 1005222080 in words is "one billion, five million, two hundred twenty-two thousand, eighty".