221052041 has 8 divisors (see below), whose sum is σ = 260780544. Its totient is φ = 183360960.

The previous prime is 221052031. The next prime is 221052043. The reversal of 221052041 is 140250122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221052041 - 2¹⁴ = 221035657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221052043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509120 + ... + 509553.

It is an arithmetic number, because the mean of its divisors is an integer number (32597568).

Almost surely, 2^221052041 is an apocalyptic number.

It is an amenable number.

221052041 is a deficient number, since it is larger than the sum of its proper divisors (39728503).

221052041 is a wasteful number, since it uses less digits than its factorization.

221052041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018711.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 221052041 is about 14867.8189725326. The cubic root of 221052041 is about 604.6418124304.

The spelling of 221052041 in words is "two hundred twenty-one million, fifty-two thousand, forty-one".