2237245920 has 720 divisors, whose sum is σ = 9927707328. Its totient is φ = 470292480.

The previous prime is 2237245897. The next prime is 2237245921. The reversal of 2237245920 is 295427322.

It is a tau number, because it is divible by the number of its divisors (720).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2237245921) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 8255385 + ... + 8255655.

Almost surely, 2^2237245920 is an apocalyptic number.

2237245920 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 2237245920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4963853664).

2237245920 is an abundant number, since it is smaller than the sum of its proper divisors (7690461408).

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

2237245920 is a wasteful number, since it uses less digits than its factorization.

2237245920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 2237245920 is about 47299.5340357598. The cubic root of 2237245920 is about 1307.8900673537.

The spelling of 2237245920 in words is "two billion, two hundred thirty-seven million, two hundred forty-five thousand, nine hundred twenty".