222012841 has 4 divisors (see below), whose sum is σ = 222528384. Its totient is φ = 221497300.

The previous prime is 222012829. The next prime is 222012851. The reversal of 222012841 is 148210222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222012841 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222012821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257125 + ... + 257986.

It is an arithmetic number, because the mean of its divisors is an integer number (55632096).

Almost surely, 2^222012841 is an apocalyptic number.

It is an amenable number.

222012841 is a deficient number, since it is larger than the sum of its proper divisors (515543).

222012841 is an equidigital number, since it uses as much as digits as its factorization.

222012841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515542.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 222012841 is about 14900.0953352655. The cubic root of 222012841 is about 605.5165690332.

The spelling of 222012841 in words is "two hundred twenty-two million, twelve thousand, eight hundred forty-one".