1282822000 has 40 divisors (see below), whose sum is σ = 3101868432. Its totient is φ = 513128000.

The previous prime is 1282821983. The next prime is 1282822003. The reversal of 1282822000 is 2282821.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×1282822000³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282822003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318706 + ... + 322705.

Almost surely, 2^1282822000 is an apocalyptic number.

1282822000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1282822000 is an abundant number, since it is smaller than the sum of its proper divisors (1819046432).

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

1282822000 is an equidigital number, since it uses as much as digits as its factorization.

1282822000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641434 (or 641418 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 1282822000 is about 35816.5045754049. The cubic root of 1282822000 is about 1086.5643866414.

The spelling of 1282822000 in words is "one billion, two hundred eighty-two million, eight hundred twenty-two thousand".