2245147700 has 144 divisors (see below), whose sum is σ = 5207666688. Its totient is φ = 839040000.

The previous prime is 2245147699. The next prime is 2245147703. The reversal of 2245147700 is 77415422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245147703) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11754605 + ... + 11754795.

It is an arithmetic number, because the mean of its divisors is an integer number (36164352).

Almost surely, 2^2245147700 is an apocalyptic number.

2245147700 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 2245147700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2603833344).

2245147700 is an abundant number, since it is smaller than the sum of its proper divisors (2962518988).

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

2245147700 is a wasteful number, since it uses less digits than its factorization.

2245147700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 2245147700 is about 47382.9895637664. The cubic root of 2245147700 is about 1309.4280470379.

The spelling of 2245147700 in words is "two billion, two hundred forty-five million, one hundred forty-seven thousand, seven hundred".