220381822 has 8 divisors (see below), whose sum is σ = 330845400. Its totient is φ = 110100024.

The previous prime is 220381813. The next prime is 220381823. The reversal of 220381822 is 228183022.

220381822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220381823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42372 + ... + 47287.

It is an arithmetic number, because the mean of its divisors is an integer number (41355675).

Almost surely, 2^220381822 is an apocalyptic number.

220381822 is a deficient number, since it is larger than the sum of its proper divisors (110463578).

220381822 is a wasteful number, since it uses less digits than its factorization.

220381822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90890.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 220381822 is about 14845.2626113518. The cubic root of 220381822 is about 604.0301123095.

The spelling of 220381822 in words is "two hundred twenty million, three hundred eighty-one thousand, eight hundred twenty-two".