2222887 has 4 divisors (see below), whose sum is σ = 2225880. Its totient is φ = 2219896.

The previous prime is 2222839. The next prime is 2222893. The reversal of 2222887 is 7882222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7882222 = 2 ⋅3941111.

It is a cyclic number.

It is not a de Polignac number, because 2222887 - 2¹¹ = 2220839 is a prime.

It is a super-2 number, since 2×2222887² = 9882453229538, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a pancake number, because a pancake can be divided into 2222887 parts by 2108 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222287) 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, 564 + ... + 2182.

It is an arithmetic number, because the mean of its divisors is an integer number (556470).

2^2222887 is an apocalyptic number.

2222887 is a deficient number, since it is larger than the sum of its proper divisors (2993).

2222887 is a wasteful number, since it uses less digits than its factorization.

2222887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992.

The product of its digits is 7168, while the sum is 31.

The square root of 2222887 is about 1490.9349415719. The cubic root of 2222887 is about 130.5085993267.

The spelling of 2222887 in words is "two million, two hundred twenty-two thousand, eight hundred eighty-seven".