221140035 has 12 divisors (see below), whose sum is σ = 383309472. Its totient is φ = 117941328.

The previous prime is 221139973. The next prime is 221140043. The reversal of 221140035 is 530041122.

It is not a de Polignac number, because 221140035 - 2⁷ = 221139907 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2457067 + ... + 2457156.

It is an arithmetic number, because the mean of its divisors is an integer number (31942456).

Almost surely, 2^221140035 is an apocalyptic number.

221140035 is a deficient number, since it is larger than the sum of its proper divisors (162169437).

221140035 is a wasteful number, since it uses less digits than its factorization.

221140035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914234 (or 4914231 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 221140035 is about 14870.7778881940. Note that the first 3 decimals coincide. The cubic root of 221140035 is about 604.7220315396.

Adding to 221140035 its reverse (530041122), we get a palindrome (751181157).

The spelling of 221140035 in words is "two hundred twenty-one million, one hundred forty thousand, thirty-five".