2211538 has 16 divisors (see below), whose sum is σ = 3873024. Its totient is φ = 927360.

The previous prime is 2211493. The next prime is 2211541. The reversal of 2211538 is 8351122.

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, 1023 + ... + 2338.

It is an arithmetic number, because the mean of its divisors is an integer number (242064).

2^2211538 is an apocalyptic number.

2211538 is a deficient number, since it is larger than the sum of its proper divisors (1661486).

2211538 is a wasteful number, since it uses less digits than its factorization.

2211538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417.

The product of its digits is 480, while the sum is 22.

The square root of 2211538 is about 1487.1240701434. The cubic root of 2211538 is about 130.2861153923.

The spelling of 2211538 in words is "two million, two hundred eleven thousand, five hundred thirty-eight".