2212402 has 4 divisors (see below), whose sum is σ = 3318606. Its totient is φ = 1106200.

The previous prime is 2212391. The next prime is 2212421. The reversal of 2212402 is 2042122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1190281 + 1022121 = 1091^2 + 1011^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553099 + ... + 553102.

2^2212402 is an apocalyptic number.

2212402 is a deficient number, since it is larger than the sum of its proper divisors (1106204).

2212402 is a wasteful number, since it uses less digits than its factorization.

2212402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106203.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2212402 is about 1487.4145353599. The cubic root of 2212402 is about 130.3030798378.

Adding to 2212402 its reverse (2042122), we get a palindrome (4254524).

The spelling of 2212402 in words is "two million, two hundred twelve thousand, four hundred two".