220956750 has 96 divisors (see below), whose sum is σ = 682868160. Its totient is φ = 50500800.

The previous prime is 220956737. The next prime is 220956767. The reversal of 220956750 is 57659022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8736 + ... + 22764.

It is an arithmetic number, because the mean of its divisors is an integer number (7113210).

Almost surely, 2^220956750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220956750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341434080).

220956750 is an abundant number, since it is smaller than the sum of its proper divisors (461911410).

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

220956750 is a wasteful number, since it uses less digits than its factorization.

220956750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14059 (or 14046 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 220956750 is about 14864.6140212250. The cubic root of 220956750 is about 604.5549170492.

The spelling of 220956750 in words is "two hundred twenty million, nine hundred fifty-six thousand, seven hundred fifty".