2245122660 has 96 divisors (see below), whose sum is σ = 6865689600. Its totient is φ = 543648640.

The previous prime is 2245122653. The next prime is 2245122683. The reversal of 2245122660 is 662215422.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 869251 + ... + 871829.

It is an arithmetic number, because the mean of its divisors is an integer number (71517600).

Almost surely, 2^2245122660 is an apocalyptic number.

2245122660 is a gapful number since it is divisible by the number (20) 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 2245122660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3432844800).

2245122660 is an abundant number, since it is smaller than the sum of its proper divisors (4620566940).

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

2245122660 is a wasteful number, since it uses less digits than its factorization.

2245122660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3921 (or 3919 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2245122660 is about 47382.7253331845. The cubic root of 2245122660 is about 1309.4231790286.

The spelling of 2245122660 in words is "two billion, two hundred forty-five million, one hundred twenty-two thousand, six hundred sixty".