355221364 has 12 divisors (see below), whose sum is σ = 625810500. Its totient is φ = 176418368.

The previous prime is 355221313. The next prime is 355221379. The reversal of 355221364 is 463122553.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 236236900 + 118984464 = 15370^2 + 10908^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297409 + ... + 298600.

It is an arithmetic number, because the mean of its divisors is an integer number (52150875).

Almost surely, 2^355221364 is an apocalyptic number.

It is an amenable number.

355221364 is a deficient number, since it is larger than the sum of its proper divisors (270589136).

355221364 is a wasteful number, since it uses less digits than its factorization.

355221364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596162 (or 596160 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 355221364 is about 18847.3171565610. The cubic root of 355221364 is about 708.2170193450.

The spelling of 355221364 in words is "three hundred fifty-five million, two hundred twenty-one thousand, three hundred sixty-four".