222214012 has 12 divisors (see below), whose sum is σ = 389007360. Its totient is φ = 111069056.

The previous prime is 222214007. The next prime is 222214019. The reversal of 222214012 is 210412222.

It is a super-2 number, since 2×222214012² = 98758134258272288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222214019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6789 + ... + 22147.

It is an arithmetic number, because the mean of its divisors is an integer number (32417280).

Almost surely, 2^222214012 is an apocalyptic number.

It is an amenable number.

222214012 is a deficient number, since it is larger than the sum of its proper divisors (166793348).

222214012 is a wasteful number, since it uses less digits than its factorization.

222214012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18980 (or 18978 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 222214012 is about 14906.8444682300. The cubic root of 222214012 is about 605.6994047036.

Adding to 222214012 its reverse (210412222), we get a palindrome (432626234).

The spelling of 222214012 in words is "two hundred twenty-two million, two hundred fourteen thousand, twelve".