2257206 has 32 divisors (see below), whose sum is σ = 5203968. Its totient is φ = 639360.

The previous prime is 2257193. The next prime is 2257207. The reversal of 2257206 is 6027522.

It is a d-powerful number, because it can be written as 2⁹ + 2¹³ + 5⁹ + 7⁶ + 2¹⁷ + 0 + 6⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257207) 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, 9246 + ... + 9486.

It is an arithmetic number, because the mean of its divisors is an integer number (162624).

2^2257206 is an apocalyptic number.

2257206 is an abundant number, since it is smaller than the sum of its proper divisors (2946762).

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

2257206 is a wasteful number, since it uses less digits than its factorization.

2257206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 2257206 is about 1502.4000798722. The cubic root of 2257206 is about 131.1768099877.

The spelling of 2257206 in words is "two million, two hundred fifty-seven thousand, two hundred six".