23221140242 has 32 divisors (see below), whose sum is σ = 37351347264. Its totient is φ = 10788313600.

The previous prime is 23221140221. The next prime is 23221140289. The reversal of 23221140242 is 24204112232.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6886817 + ... + 6890187.

It is an arithmetic number, because the mean of its divisors is an integer number (1167229602).

Almost surely, 2^23221140242 is an apocalyptic number.

23221140242 is a deficient number, since it is larger than the sum of its proper divisors (14130207022).

23221140242 is a wasteful number, since it uses less digits than its factorization.

23221140242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5914.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 23221140242 its reverse (24204112232), we get a palindrome (47425252474).

The spelling of 23221140242 in words is "twenty-three billion, two hundred twenty-one million, one hundred forty thousand, two hundred forty-two".