2622018 has 32 divisors (see below), whose sum is σ = 6045696. Its totient is φ = 742608.

The previous prime is 2622017. The next prime is 2622031. The reversal of 2622018 is 8102262.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2621985 and 2622003.

It is not an unprimeable number, because it can be changed into a prime (2622013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6655 + ... + 7037.

It is an arithmetic number, because the mean of its divisors is an integer number (188928).

2^2622018 is an apocalyptic number.

2622018 is an abundant number, since it is smaller than the sum of its proper divisors (3423678).

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

2622018 is a wasteful number, since it uses less digits than its factorization.

2622018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2622018 is about 1619.2646479189. The cubic root of 2622018 is about 137.8939533956.

The spelling of 2622018 in words is "two million, six hundred twenty-two thousand, eighteen".