2622558 has 8 divisors (see below), whose sum is σ = 5245128. Its totient is φ = 874184.

The previous prime is 2622533. The next prime is 2622559. The reversal of 2622558 is 8552262.

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

2622558 is an admirable number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁰ + 6² + 2¹⁹ + 2²¹ + 5² + 5² + 8 .

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 3 ways as a sum of consecutive naturals, for example, 218541 + ... + 218552.

It is an arithmetic number, because the mean of its divisors is an integer number (655641).

2^2622558 is an apocalyptic number.

2622558 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2622558 is a wasteful number, since it uses less digits than its factorization.

2622558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437098.

The product of its digits is 9600, while the sum is 30.

The square root of 2622558 is about 1619.4313816893. The cubic root of 2622558 is about 137.9034190850.

The spelling of 2622558 in words is "two million, six hundred twenty-two thousand, five hundred fifty-eight".