1228167360 has 420 divisors, whose sum is σ = 5087337552. Its totient is φ = 280433664.

The previous prime is 1228167359. The next prime is 1228167379. The reversal of 1228167360 is 637618221.

1228167360 is a `hidden beast` number, since 12 + 281 + 6 + 7 + 360 = 666.

It is a tau number, because it is divible by the number of its divisors (420).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1269597 + ... + 1270563.

Almost surely, 2^1228167360 is an apocalyptic number.

1228167360 is a gapful number since it is divisible by the number (10) 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 1228167360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2543668776).

1228167360 is an abundant number, since it is smaller than the sum of its proper divisors (3859170192).

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

1228167360 is an equidigital number, since it uses as much as digits as its factorization.

1228167360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 984 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1228167360 is about 35045.2187894440. The cubic root of 1228167360 is about 1070.9088734462.

The spelling of 1228167360 in words is "one billion, two hundred twenty-eight million, one hundred sixty-seven thousand, three hundred sixty".