222241240221 has 64 divisors (see below), whose sum is σ = 398094090240. Its totient is φ = 106506109440.

The previous prime is 222241240213. The next prime is 222241240229. The reversal of 222241240221 is 122042142222.

It is an interprime number because it is at equal distance from previous prime (222241240213) and next prime (222241240229).

It is not a de Polignac number, because 222241240221 - 2³ = 222241240213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222241240191 and 222241240200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222241240229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5261241 + ... + 5303313.

It is an arithmetic number, because the mean of its divisors is an integer number (6220220160).

Almost surely, 2^222241240221 is an apocalyptic number.

222241240221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222241240221 is a deficient number, since it is larger than the sum of its proper divisors (175852850019).

222241240221 is a wasteful number, since it uses less digits than its factorization.

222241240221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43866.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 222241240221 its reverse (122042142222), we get a palindrome (344283382443).

The spelling of 222241240221 in words is "two hundred twenty-two billion, two hundred forty-one million, two hundred forty thousand, two hundred twenty-one".