2622706 has 4 divisors (see below), whose sum is σ = 3934062. Its totient is φ = 1311352.

The previous prime is 2622691. The next prime is 2622707. The reversal of 2622706 is 6072262.

It is a happy number.

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., 1703025 + 919681 = 1305^2 + 959^2 .

It is not an unprimeable number, because it can be changed into a prime (2622707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655675 + ... + 655678.

2^2622706 is an apocalyptic number.

2622706 is a deficient number, since it is larger than the sum of its proper divisors (1311356).

2622706 is a wasteful number, since it uses less digits than its factorization.

2622706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311355.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2622706 is about 1619.4770760959. The cubic root of 2622706 is about 137.9060131581.

Adding to 2622706 its reverse (6072262), we get a palindrome (8694968).

The spelling of 2622706 in words is "two million, six hundred twenty-two thousand, seven hundred six".