354644227 has 4 divisors (see below), whose sum is σ = 405307696. Its totient is φ = 303980760.

The previous prime is 354644207. The next prime is 354644231. The reversal of 354644227 is 722446453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722446453 = 3181 ⋅227113.

It is a cyclic number.

It is not a de Polignac number, because 354644227 - 2⁷ = 354644099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354644207) 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, 25331724 + ... + 25331737.

It is an arithmetic number, because the mean of its divisors is an integer number (101326924).

Almost surely, 2^354644227 is an apocalyptic number.

354644227 is a deficient number, since it is larger than the sum of its proper divisors (50663469).

354644227 is an equidigital number, since it uses as much as digits as its factorization.

354644227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50663468.

The product of its digits is 161280, while the sum is 37.

The square root of 354644227 is about 18832.0000796517. Note that the first 4 decimals coincide. The cubic root of 354644227 is about 707.8332588229.

The spelling of 354644227 in words is "three hundred fifty-four million, six hundred forty-four thousand, two hundred twenty-seven".