2255944 has 8 divisors (see below), whose sum is σ = 4229910. Its totient is φ = 1127968.

The previous prime is 2255899. The next prime is 2255947. The reversal of 2255944 is 4495522.

It can be written as a sum of positive squares in only one way, i.e., 1512900 + 743044 = 1230^2 + 862^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2255944² = 10178566662272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2255947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140989 + ... + 141004.

2^2255944 is an apocalyptic number.

It is an amenable number.

2255944 is a deficient number, since it is larger than the sum of its proper divisors (1973966).

2255944 is a wasteful number, since it uses less digits than its factorization.

2255944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281999 (or 281995 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 2255944 is about 1501.9800264984. The cubic root of 2255944 is about 131.1523585204.

The spelling of 2255944 in words is "two million, two hundred fifty-five thousand, nine hundred forty-four".