354222321 has 4 divisors (see below), whose sum is σ = 472296432. Its totient is φ = 236148212.

The previous prime is 354222313. The next prime is 354222331. The reversal of 354222321 is 123222453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 354222321 - 2³ = 354222313 is a prime.

It is a super-3 number, since 3×354222321³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 354222291 and 354222300.

It is not an unprimeable number, because it can be changed into a prime (354222331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59037051 + ... + 59037056.

It is an arithmetic number, because the mean of its divisors is an integer number (118074108).

Almost surely, 2^354222321 is an apocalyptic number.

It is an amenable number.

354222321 is a deficient number, since it is larger than the sum of its proper divisors (118074111).

354222321 is a wasteful number, since it uses less digits than its factorization.

354222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118074110.

The product of its digits is 2880, while the sum is 24.

The square root of 354222321 is about 18820.7949088236. The cubic root of 354222321 is about 707.5524538351.

Adding to 354222321 its reverse (123222453), we get a palindrome (477444774).

The spelling of 354222321 in words is "three hundred fifty-four million, two hundred twenty-two thousand, three hundred twenty-one".