221024223044 has 24 divisors (see below), whose sum is σ = 407605601088. Its totient is φ = 104660626400.

The previous prime is 221024223037. The next prime is 221024223061. The reversal of 221024223044 is 440322420122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11883962 + ... + 11902545.

It is an arithmetic number, because the mean of its divisors is an integer number (16983566712).

Almost surely, 2^221024223044 is an apocalyptic number.

It is an amenable number.

221024223044 is a deficient number, since it is larger than the sum of its proper divisors (186581378044).

221024223044 is a wasteful number, since it uses less digits than its factorization.

221024223044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23786635 (or 23786633 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 221024223044 its reverse (440322420122), we get a palindrome (661346643166).

The spelling of 221024223044 in words is "two hundred twenty-one billion, twenty-four million, two hundred twenty-three thousand, forty-four".