2622651 has 4 divisors (see below), whose sum is σ = 3496872. Its totient is φ = 1748432.

The previous prime is 2622637. The next prime is 2622679. The reversal of 2622651 is 1562262.

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

It is a cyclic number.

It is not a de Polignac number, because 2622651 - 2⁵ = 2622619 is a prime.

It is a D-number.

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 in 3 ways as a sum of consecutive naturals, for example, 437106 + ... + 437111.

It is an arithmetic number, because the mean of its divisors is an integer number (874218).

2^2622651 is an apocalyptic number.

2622651 is a deficient number, since it is larger than the sum of its proper divisors (874221).

2622651 is an equidigital number, since it uses as much as digits as its factorization.

2622651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874220.

The product of its digits is 1440, while the sum is 24.

The square root of 2622651 is about 1619.4600952169. The cubic root of 2622651 is about 137.9050491558.

The spelling of 2622651 in words is "two million, six hundred twenty-two thousand, six hundred fifty-one".