2622604 has 6 divisors (see below), whose sum is σ = 4589564. Its totient is φ = 1311300.

The previous prime is 2622601. The next prime is 2622611. The reversal of 2622604 is 4062262.

It is a happy number.

It is a d-powerful number, because it can be written as 2⁷ + 6 + 2¹⁹ + 2²¹ + 6 + 0 + 4⁵ .

It is not an unprimeable number, because it can be changed into a prime (2622601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327822 + ... + 327829.

2^2622604 is an apocalyptic number.

It is an amenable number.

2622604 is a deficient number, since it is larger than the sum of its proper divisors (1966960).

2622604 is a wasteful number, since it uses less digits than its factorization.

2622604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655655 (or 655653 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2622604 is about 1619.4455841429. The cubic root of 2622604 is about 137.9042253614.

Adding to 2622604 its reverse (4062262), we get a palindrome (6684866).

The spelling of 2622604 in words is "two million, six hundred twenty-two thousand, six hundred four".