220667346 has 12 divisors (see below), whose sum is σ = 478112622. Its totient is φ = 73555776.

The previous prime is 220667299. The next prime is 220667347. The reversal of 220667346 is 643766022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 149450625 + 71216721 = 12225^2 + 8439^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220667346.

It is not an unprimeable number, because it can be changed into a prime (220667347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6129631 + ... + 6129666.

Almost surely, 2^220667346 is an apocalyptic number.

220667346 is an abundant number, since it is smaller than the sum of its proper divisors (257445276).

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

220667346 is a wasteful number, since it uses less digits than its factorization.

220667346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12259305 (or 12259302 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 220667346 is about 14854.8761691237. The cubic root of 220667346 is about 604.2908577506.

The spelling of 220667346 in words is "two hundred twenty million, six hundred sixty-seven thousand, three hundred forty-six".