355226340 has 48 divisors (see below), whose sum is σ = 1136725632. Its totient is φ = 81194496.

The previous prime is 355226317. The next prime is 355226351. The reversal of 355226340 is 43622553.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 355226298 and 355226307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422469 + ... + 423308.

It is an arithmetic number, because the mean of its divisors is an integer number (23681784).

Almost surely, 2^355226340 is an apocalyptic number.

355226340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

355226340 is an abundant number, since it is smaller than the sum of its proper divisors (781499292).

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

355226340 is a wasteful number, since it uses less digits than its factorization.

355226340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845796 (or 845794 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 355226340 is about 18847.4491642768. The cubic root of 355226340 is about 708.2203262702.

Adding to 355226340 its reverse (43622553), we get a palindrome (398848893).

It can be divided in two parts, 3552 and 26340, that added together give a palindrome (29892).

The spelling of 355226340 in words is "three hundred fifty-five million, two hundred twenty-six thousand, three hundred forty".