1228280610 has 64 divisors (see below), whose sum is σ = 3017129472. Its totient is φ = 319877376.

The previous prime is 1228280539. The next prime is 1228280611. The reversal of 1228280610 is 160828221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1228280611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1123224 + ... + 1124316.

It is an arithmetic number, because the mean of its divisors is an integer number (47142648).

Almost surely, 2^1228280610 is an apocalyptic number.

1228280610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1228280610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1508564736).

1228280610 is an abundant number, since it is smaller than the sum of its proper divisors (1788848862).

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

1228280610 is a wasteful number, since it uses less digits than its factorization.

1228280610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 1228280610 is about 35046.8345218224. The cubic root of 1228280610 is about 1070.9417888035.

The spelling of 1228280610 in words is "one billion, two hundred twenty-eight million, two hundred eighty thousand, six hundred ten".