221040404033 has 8 divisors (see below), whose sum is σ = 226153296000. Its totient is φ = 215962412848.

The previous prime is 221040404023. The next prime is 221040404069. The reversal of 221040404033 is 330404040122.

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 221040404033 - 2¹⁴ = 221040387649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221040404023) 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, 8712383 + ... + 8737716.

It is an arithmetic number, because the mean of its divisors is an integer number (28269162000).

Almost surely, 2^221040404033 is an apocalyptic number.

It is an amenable number.

221040404033 is a deficient number, since it is larger than the sum of its proper divisors (5112891967).

221040404033 is a wasteful number, since it uses less digits than its factorization.

221040404033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17450391.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 221040404033 its reverse (330404040122), we get a palindrome (551444444155).

The spelling of 221040404033 in words is "two hundred twenty-one billion, forty million, four hundred four thousand, thirty-three".