2222636 has 12 divisors (see below), whose sum is σ = 4188912. Its totient is φ = 1025808.

The previous prime is 2222629. The next prime is 2222653. The reversal of 2222636 is 6362222.

It is a happy number.

2222636 is nontrivially palindromic in base 12.

It is a super-2 number, since 2×2222636² = 9880221576992, which contains 22 as substring.

It is a plaindrome in base 11.

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, 21320 + ... + 21423.

It is an arithmetic number, because the mean of its divisors is an integer number (349076).

2^2222636 is an apocalyptic number.

2222636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2222636 is a deficient number, since it is larger than the sum of its proper divisors (1966276).

2222636 is a wasteful number, since it uses less digits than its factorization.

2222636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42760 (or 42758 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 2222636 is about 1490.8507638258. The cubic root of 2222636 is about 130.5036869625.

Adding to 2222636 its reverse (6362222), we get a palindrome (8584858).

The spelling of 2222636 in words is "two million, two hundred twenty-two thousand, six hundred thirty-six".