2622393 has 6 divisors (see below), whose sum is σ = 3787914. Its totient is φ = 1748256.

The previous prime is 2622377. The next prime is 2622397. The reversal of 2622393 is 3932262.

2622393 is a `hidden beast` number, since 2 + 622 + 39 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2108304 + 514089 = 1452^2 + 717^2 .

It is not a de Polignac number, because 2622393 - 2⁴ = 2622377 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 6 + 2¹⁹ + 2²¹ + 3⁴ + 9 + 3⁶ .

It is not an unprimeable number, because it can be changed into a prime (2622397) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145680 + ... + 145697.

It is an arithmetic number, because the mean of its divisors is an integer number (631319).

2^2622393 is an apocalyptic number.

It is an amenable number.

2622393 is a deficient number, since it is larger than the sum of its proper divisors (1165521).

2622393 is a wasteful number, since it uses less digits than its factorization.

2622393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291383 (or 291380 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 2622393 is about 1619.3804370808. The cubic root of 2622393 is about 137.9005269288.

The spelling of 2622393 in words is "two million, six hundred twenty-two thousand, three hundred ninety-three".