220465722 has 8 divisors (see below), whose sum is σ = 440931456. Its totient is φ = 73488572.

The previous prime is 220465717. The next prime is 220465747. The reversal of 220465722 is 227564022.

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

220465722 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 220465722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18372138 + ... + 18372149.

It is an arithmetic number, because the mean of its divisors is an integer number (55116432).

Almost surely, 2^220465722 is an apocalyptic number.

220465722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220465722 is a wasteful number, since it uses less digits than its factorization.

220465722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36744292.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 220465722 is about 14848.0881597598. The cubic root of 220465722 is about 604.1067545907.

The spelling of 220465722 in words is "two hundred twenty million, four hundred sixty-five thousand, seven hundred twenty-two".