2212642 has 8 divisors (see below), whose sum is σ = 3433500. Its totient is φ = 1068144.

The previous prime is 2212633. The next prime is 2212657. The reversal of 2212642 is 2462122.

It can be written as a sum of positive squares in 2 ways, for example, as 2076481 + 136161 = 1441^2 + 369^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 19017 + ... + 19132.

2^2212642 is an apocalyptic number.

2212642 is a deficient number, since it is larger than the sum of its proper divisors (1220858).

2212642 is a wasteful number, since it uses less digits than its factorization.

2212642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38180.

The product of its digits is 384, while the sum is 19.

The square root of 2212642 is about 1487.4952100763. The cubic root of 2212642 is about 130.3077914000.

Adding to 2212642 its reverse (2462122), we get a palindrome (4674764).

The spelling of 2212642 in words is "two million, two hundred twelve thousand, six hundred forty-two".