2255629 has 4 divisors (see below), whose sum is σ = 2293920. Its totient is φ = 2217340.

The previous prime is 2255621. The next prime is 2255639. The reversal of 2255629 is 9265522.

2255629 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2255629 - 2³ = 2255621 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2255629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255621) 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, 19057 + ... + 19174.

It is an arithmetic number, because the mean of its divisors is an integer number (573480).

2^2255629 is an apocalyptic number.

It is an amenable number.

2255629 is a deficient number, since it is larger than the sum of its proper divisors (38291).

2255629 is an equidigital number, since it uses as much as digits as its factorization.

2255629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38290.

The product of its digits is 10800, while the sum is 31.

The square root of 2255629 is about 1501.8751612568. The cubic root of 2255629 is about 131.1462539191.

The spelling of 2255629 in words is "two million, two hundred fifty-five thousand, six hundred twenty-nine".