2205117750 has 128 divisors (see below), whose sum is σ = 6051262464. Its totient is φ = 530400000.

The previous prime is 2205117737. The next prime is 2205117763. The reversal of 2205117750 is 577115022.

It is an interprime number because it is at equal distance from previous prime (2205117737) and next prime (2205117763).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1129275 + ... + 1131225.

It is an arithmetic number, because the mean of its divisors is an integer number (47275488).

Almost surely, 2^2205117750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2205117750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3025631232).

2205117750 is an abundant number, since it is smaller than the sum of its proper divisors (3846144714).

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

2205117750 is a wasteful number, since it uses less digits than its factorization.

2205117750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119 (or 2109 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 2205117750 is about 46958.6813060162. The cubic root of 2205117750 is about 1301.5991661369.

The spelling of 2205117750 in words is "two billion, two hundred five million, one hundred seventeen thousand, seven hundred fifty".