22241220331 has 16 divisors (see below), whose sum is σ = 24943504608. Its totient is φ = 19653408000.

The previous prime is 22241220319. The next prime is 22241220373. The reversal of 22241220331 is 13302214222.

It is a cyclic number.

It is not a de Polignac number, because 22241220331 - 2¹⁹ = 22240696043 is a prime.

It is a super-2 number, since 2×22241220331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22241220301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393981 + ... + 446881.

It is an arithmetic number, because the mean of its divisors is an integer number (1558969038).

Almost surely, 2^22241220331 is an apocalyptic number.

22241220331 is a deficient number, since it is larger than the sum of its proper divisors (2702284277).

22241220331 is a wasteful number, since it uses less digits than its factorization.

22241220331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53982.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22241220331 its reverse (13302214222), we get a palindrome (35543434553).

The spelling of 22241220331 in words is "twenty-two billion, two hundred forty-one million, two hundred twenty thousand, three hundred thirty-one".