220351346 has 4 divisors (see below), whose sum is σ = 330527022. Its totient is φ = 110175672.

The previous prime is 220351333. The next prime is 220351349. The reversal of 220351346 is 643153022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 643153022 = 2 ⋅321576511.

It can be written as a sum of positive squares in only one way, i.e., 178890625 + 41460721 = 13375^2 + 6439^2 .

It is not an unprimeable number, because it can be changed into a prime (220351349) by changing a digit.

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 as a sum of consecutive naturals, namely, 55087835 + ... + 55087838.

Almost surely, 2^220351346 is an apocalyptic number.

220351346 is a deficient number, since it is larger than the sum of its proper divisors (110175676).

220351346 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 220351346 = (103423256)₁₁.

220351346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110175675.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 220351346 is about 14844.2361204610. The cubic root of 220351346 is about 604.0022678014.

The spelling of 220351346 in words is "two hundred twenty million, three hundred fifty-one thousand, three hundred forty-six".