1082228240 has 20 divisors (see below), whose sum is σ = 2516180844. Its totient is φ = 432891264.

The previous prime is 1082228227. The next prime is 1082228249. The reversal of 1082228240 is 428222801.

It can be written as a sum of positive squares in 2 ways, for example, as 862714384 + 219513856 = 29372^2 + 14816^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (1082228249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6763847 + ... + 6764006.

Almost surely, 2^1082228240 is an apocalyptic number.

1082228240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1082228240 is an abundant number, since it is smaller than the sum of its proper divisors (1433952604).

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

1082228240 is a wasteful number, since it uses less digits than its factorization.

1082228240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13527866 (or 13527860 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 1082228240 is about 32897.2375739970. The cubic root of 1082228240 is about 1026.6906827088.

The spelling of 1082228240 in words is "one billion, eighty-two million, two hundred twenty-eight thousand, two hundred forty".