220144274 has 8 divisors (see below), whose sum is σ = 377390208. Its totient is φ = 94347540.

The previous prime is 220144231. The next prime is 220144283. The reversal of 220144274 is 472441022.

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

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 3 ways as a sum of consecutive naturals, for example, 7862282 + ... + 7862309.

It is an arithmetic number, because the mean of its divisors is an integer number (47173776).

Almost surely, 2^220144274 is an apocalyptic number.

220144274 is a deficient number, since it is larger than the sum of its proper divisors (157245934).

220144274 is a wasteful number, since it uses less digits than its factorization.

220144274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15724600.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 220144274 is about 14837.2596526448. The cubic root of 220144274 is about 603.8130076970.

Adding to 220144274 its reverse (472441022), we get a palindrome (692585296).

The spelling of 220144274 in words is "two hundred twenty million, one hundred forty-four thousand, two hundred seventy-four".