2206538 has 16 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 1058400.

The previous prime is 2206517. The next prime is 2206543. The reversal of 2206538 is 8356022.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5633 + ... + 6011.

It is an arithmetic number, because the mean of its divisors is an integer number (215460).

2^2206538 is an apocalyptic number.

2206538 is a deficient number, since it is larger than the sum of its proper divisors (1240822).

2206538 is a wasteful number, since it uses less digits than its factorization.

2206538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2206538 is about 1485.4420217565. The cubic root of 2206538 is about 130.1878546453.

It can be divided in two parts, 2206 and 538, that added together give a cube (2744 = 14³).

The spelling of 2206538 in words is "two million, two hundred six thousand, five hundred thirty-eight".