2250551500 has 96 divisors (see below), whose sum is σ = 5065587072. Its totient is φ = 872960000.

The previous prime is 2250551497. The next prime is 2250551503. The reversal of 2250551500 is 51550522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2250551497) and next prime (2250551503).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (2250551503) 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, 6375324 + ... + 6375676.

It is an arithmetic number, because the mean of its divisors is an integer number (52766532).

Almost surely, 2^2250551500 is an apocalyptic number.

2250551500 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 2250551500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2532793536).

2250551500 is an abundant number, since it is smaller than the sum of its proper divisors (2815035572).

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

2250551500 is a wasteful number, since it uses less digits than its factorization.

2250551500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 2250551500 is about 47439.9778667739. The cubic root of 2250551500 is about 1310.4777504974.

The spelling of 2250551500 in words is "two billion, two hundred fifty million, five hundred fifty-one thousand, five hundred".