3011221222 has 8 divisors (see below), whose sum is σ = 4521792672. Its totient is φ = 1503957000.

The previous prime is 3011221201. The next prime is 3011221231. The reversal of 3011221222 is 2221221103.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3011221196 and 3011221205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824529 + ... + 828172.

It is an arithmetic number, because the mean of its divisors is an integer number (565224084).

Almost surely, 2^3011221222 is an apocalyptic number.

3011221222 is a deficient number, since it is larger than the sum of its proper divisors (1510571450).

3011221222 is a wasteful number, since it uses less digits than its factorization.

3011221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653614.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3011221222 is about 54874.5954153650. The cubic root of 3011221222 is about 1444.0455332440.

Adding to 3011221222 its reverse (2221221103), we get a palindrome (5232442325).

The spelling of 3011221222 in words is "three billion, eleven million, two hundred twenty-one thousand, two hundred twenty-two".