2222668 has 24 divisors (see below), whose sum is σ = 4481792. Its totient is φ = 944784.

The previous prime is 2222663. The next prime is 2222683. The reversal of 2222668 is 8662222.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2222663) 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, 4321 + ... + 4807.

2^2222668 is an apocalyptic number.

2222668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2222668 is an abundant number, since it is smaller than the sum of its proper divisors (2259124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222668 is a wasteful number, since it uses less digits than its factorization.

2222668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 659 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 2222668 is about 1490.8614959144. The cubic root of 2222668 is about 130.5043132605.

The spelling of 2222668 in words is "two million, two hundred twenty-two thousand, six hundred sixty-eight".