1228094160 has 80 divisors (see below), whose sum is σ = 3830570304. Its totient is φ = 325472256.

The previous prime is 1228094129. The next prime is 1228094213. The reversal of 1228094160 is 614908221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1228094160² = 3016430531652211200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23424 + ... + 54816.

Almost surely, 2^1228094160 is an apocalyptic number.

1228094160 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 1228094160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1915285152).

1228094160 is an abundant number, since it is smaller than the sum of its proper divisors (2602476144).

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

1228094160 is a wasteful number, since it uses less digits than its factorization.

1228094160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31572 (or 31566 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1228094160 is about 35044.1744088800. The cubic root of 1228094160 is about 1070.8875972777.

The spelling of 1228094160 in words is "one billion, two hundred twenty-eight million, ninety-four thousand, one hundred sixty".