2555622 has 24 divisors (see below), whose sum is σ = 5778864. Its totient is φ = 814704.

The previous prime is 2555617. The next prime is 2555629. The reversal of 2555622 is 2265552.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2673 + ... + 3500.

It is an arithmetic number, because the mean of its divisors is an integer number (240786).

2^2555622 is an apocalyptic number.

2555622 is an abundant number, since it is smaller than the sum of its proper divisors (3223242).

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

2555622 is a wasteful number, since it uses less digits than its factorization.

2555622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6204 (or 6201 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 2555622 is about 1598.6312895724. The cubic root of 2555622 is about 136.7200492100.

The spelling of 2555622 in words is "two million, five hundred fifty-five thousand, six hundred twenty-two".