354941221 has 16 divisors (see below), whose sum is σ = 381173760. Its totient is φ = 329701680.

The previous prime is 354941219. The next prime is 354941231. The reversal of 354941221 is 122149453.

It is a cyclic number.

It is not a de Polignac number, because 354941221 - 2¹ = 354941219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354941201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187960 + ... + 189838.

It is an arithmetic number, because the mean of its divisors is an integer number (23823360).

Almost surely, 2^354941221 is an apocalyptic number.

It is an amenable number.

354941221 is a deficient number, since it is larger than the sum of its proper divisors (26232539).

354941221 is a wasteful number, since it uses less digits than its factorization.

354941221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136.

The product of its digits is 8640, while the sum is 31.

The square root of 354941221 is about 18839.8837841426. The cubic root of 354941221 is about 708.0307934780.

The spelling of 354941221 in words is "three hundred fifty-four million, nine hundred forty-one thousand, two hundred twenty-one".