355121022 has 16 divisors (see below), whose sum is σ = 712559232. Its totient is φ = 117987480.

The previous prime is 355121021. The next prime is 355121057. The reversal of 355121022 is 220121553.

It is a super-2 number, since 2×355121022² = 252221880532648968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 355121022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355121021) 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, 94554 + ... + 98237.

It is an arithmetic number, because the mean of its divisors is an integer number (44534952).

Almost surely, 2^355121022 is an apocalyptic number.

355121022 is an abundant number, since it is smaller than the sum of its proper divisors (357438210).

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

355121022 is a wasteful number, since it uses less digits than its factorization.

355121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193103.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 355121022 is about 18844.6549981686. The cubic root of 355121022 is about 708.1503279692.

Adding to 355121022 its reverse (220121553), we get a palindrome (575242575).

The spelling of 355121022 in words is "three hundred fifty-five million, one hundred twenty-one thousand, twenty-two".