2622236 has 6 divisors (see below), whose sum is σ = 4588920. Its totient is φ = 1311116.

The previous prime is 2622229. The next prime is 2622241. The reversal of 2622236 is 6322262.

It is a happy number.

It is a super-2 number, since 2×2622236² = 13752243279392, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327776 + ... + 327783.

It is an arithmetic number, because the mean of its divisors is an integer number (764820).

2^2622236 is an apocalyptic number.

It is an amenable number.

2622236 is a deficient number, since it is larger than the sum of its proper divisors (1966684).

2622236 is a wasteful number, since it uses less digits than its factorization.

2622236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655563 (or 655561 counting only the distinct ones).

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

The square root of 2622236 is about 1619.3319610259. The cubic root of 2622236 is about 137.8977748859.

Adding to 2622236 its reverse (6322262), we get a palindrome (8944498).

The spelling of 2622236 in words is "two million, six hundred twenty-two thousand, two hundred thirty-six".