2102258 has 8 divisors (see below), whose sum is σ = 3159552. Its totient is φ = 1049076.

The previous prime is 2102257. The next prime is 2102267. The reversal of 2102258 is 8522012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2⁷ + 1 + 0 + 2⁸ + 2²¹ + 5⁴ + 8⁴ .

It is not an unprimeable number, because it can be changed into a prime (2102251) 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, 1391 + ... + 2477.

It is an arithmetic number, because the mean of its divisors is an integer number (394944).

2^2102258 is an apocalyptic number.

2102258 is a deficient number, since it is larger than the sum of its proper divisors (1057294).

2102258 is a wasteful number, since it uses less digits than its factorization.

2102258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2102258 is about 1449.9165493228. The cubic root of 2102258 is about 128.1037976417.

The spelling of 2102258 in words is "two million, one hundred two thousand, two hundred fifty-eight".