2622551 has 8 divisors (see below), whose sum is σ = 2795520. Its totient is φ = 2453112.

The previous prime is 2622533. The next prime is 2622559. The reversal of 2622551 is 1552262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2622551 - 2¹⁰ = 2621527 is a prime.

It is a d-powerful number, because it can be written as 2¹⁰ + 6² + 2¹⁹ + 2²¹ + 5² + 5² + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2622559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746 + ... + 2408.

It is an arithmetic number, because the mean of its divisors is an integer number (349440).

2^2622551 is an apocalyptic number.

2622551 is a deficient number, since it is larger than the sum of its proper divisors (172969).

2622551 is a wasteful number, since it uses less digits than its factorization.

2622551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765.

The product of its digits is 1200, while the sum is 23.

The square root of 2622551 is about 1619.4292204354. The cubic root of 2622551 is about 137.9032963899.

The spelling of 2622551 in words is "two million, six hundred twenty-two thousand, five hundred fifty-one".