355122213 has 8 divisors (see below), whose sum is σ = 475478400. Its totient is φ = 235757088.

The previous prime is 355122203. The next prime is 355122241. The reversal of 355122213 is 312221553.

It is a happy number.

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

It is not a de Polignac number, because 355122213 - 2²¹ = 353025061 is a prime.

It is a super-2 number, since 2×355122213² = 252223572332034738, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355122203) 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, 246928 + ... + 248361.

It is an arithmetic number, because the mean of its divisors is an integer number (59434800).

Almost surely, 2^355122213 is an apocalyptic number.

It is an amenable number.

355122213 is a deficient number, since it is larger than the sum of its proper divisors (120356187).

355122213 is a wasteful number, since it uses less digits than its factorization.

355122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495531.

The product of its digits is 1800, while the sum is 24.

The square root of 355122213 is about 18844.6865986145. The cubic root of 355122213 is about 708.1511196299.

Adding to 355122213 its reverse (312221553), we get a palindrome (667343766).

The spelling of 355122213 in words is "three hundred fifty-five million, one hundred twenty-two thousand, two hundred thirteen".