2225622 has 32 divisors (see below), whose sum is σ = 5356800. Its totient is φ = 602208.

The previous prime is 2225621. The next prime is 2225627. The reversal of 2225622 is 2265222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597 + ... + 2192.

It is an arithmetic number, because the mean of its divisors is an integer number (167400).

2^2225622 is an apocalyptic number.

2225622 is an abundant number, since it is smaller than the sum of its proper divisors (3131178).

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

2225622 is a wasteful number, since it uses less digits than its factorization.

2225622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820.

The product of its digits is 960, while the sum is 21.

The square root of 2225622 is about 1491.8518693222. The cubic root of 2225622 is about 130.5621025304.

The spelling of 2225622 in words is "two million, two hundred twenty-five thousand, six hundred twenty-two".