358111221 has 16 divisors (see below), whose sum is σ = 541275840. Its totient is φ = 208776960.

The previous prime is 358111207. The next prime is 358111223. The reversal of 358111221 is 122111853.

It is not a de Polignac number, because 358111221 - 2¹⁰ = 358110197 is a prime.

It is a super-2 number, since 2×358111221² = 256487293212221682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 358111191 and 358111200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (358111223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240900 + ... + 242381.

It is an arithmetic number, because the mean of its divisors is an integer number (33829740).

Almost surely, 2^358111221 is an apocalyptic number.

It is an amenable number.

358111221 is a deficient number, since it is larger than the sum of its proper divisors (183164619).

358111221 is a wasteful number, since it uses less digits than its factorization.

358111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483316.

The product of its digits is 480, while the sum is 24.

The square root of 358111221 is about 18923.8268064364. The cubic root of 358111221 is about 710.1323703472.

The spelling of 358111221 in words is "three hundred fifty-eight million, one hundred eleven thousand, two hundred twenty-one".