2222812 has 24 divisors (see below), whose sum is σ = 4175136. Its totient is φ = 1032768.

The previous prime is 2222809. The next prime is 2222819. The reversal of 2222812 is 2182222.

It is a self number, because there is not a number n which added to its sum of digits gives 2222812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3078 + ... + 3730.

It is an arithmetic number, because the mean of its divisors is an integer number (173964).

2^2222812 is an apocalyptic number.

It is an amenable number.

2222812 is a deficient number, since it is larger than the sum of its proper divisors (1952324).

2222812 is a wasteful number, since it uses less digits than its factorization.

2222812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 715 counting only the distinct ones).

The product of its digits is 256, while the sum is 19.

The square root of 2222812 is about 1490.9097893568. The cubic root of 2222812 is about 130.5071315275.

The spelling of 2222812 in words is "two million, two hundred twenty-two thousand, eight hundred twelve".