350675221 has 8 divisors (see below), whose sum is σ = 390673080. Its totient is φ = 312537792.

The previous prime is 350675209. The next prime is 350675239. The reversal of 350675221 is 122576053.

It can be written as a sum of positive squares in 4 ways, for example, as 31516996 + 319158225 = 5614^2 + 17865^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 350675221 - 2¹¹ = 350673173 is a prime.

It is a super-2 number, since 2×350675221² = 245946221246797682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350675251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464710 + ... + 465463.

It is an arithmetic number, because the mean of its divisors is an integer number (48834135).

Almost surely, 2^350675221 is an apocalyptic number.

It is an amenable number.

350675221 is a deficient number, since it is larger than the sum of its proper divisors (39997859).

350675221 is a wasteful number, since it uses less digits than its factorization.

350675221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930215.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 350675221 is about 18726.3242789395. The cubic root of 350675221 is about 705.1827710489.

The spelling of 350675221 in words is "three hundred fifty million, six hundred seventy-five thousand, two hundred twenty-one".