10002255 has 16 divisors (see below), whose sum is σ = 16057440. Its totient is φ = 5316608.

The previous prime is 10002203. The next prime is 10002257. The reversal of 10002255 is 55220001.

It is a cyclic number.

It is not a de Polignac number, because 10002255 - 2⁶ = 10002191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4351 + ... + 6239.

It is an arithmetic number, because the mean of its divisors is an integer number (1003590).

Almost surely, 2^10002255 is an apocalyptic number.

10002255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10002255 is a deficient number, since it is larger than the sum of its proper divisors (6055185).

10002255 is a wasteful number, since it uses less digits than its factorization.

10002255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 10002255 is about 3162.6341868765. The cubic root of 10002255 is about 215.4596619535.

Adding to 10002255 its reverse (55220001), we get a palindrome (65222256).

The spelling of 10002255 in words is "ten million, two thousand, two hundred fifty-five".