2215738 has 16 divisors (see below), whose sum is σ = 3838464. Its totient is φ = 939600.

The previous prime is 2215699. The next prime is 2215777. The reversal of 2215738 is 8375122.

It is an interprime number because it is at equal distance from previous prime (2215699) and next prime (2215777).

It is a d-powerful number, because it can be written as 2² + 2²¹ + 1 + 5⁴ + 7⁶ + 3⁵ + 8² .

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, 631 + ... + 2197.

It is an arithmetic number, because the mean of its divisors is an integer number (239904).

2^2215738 is an apocalyptic number.

2215738 is a deficient number, since it is larger than the sum of its proper divisors (1622726).

2215738 is a wasteful number, since it uses less digits than its factorization.

2215738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677.

The product of its digits is 3360, while the sum is 28.

The square root of 2215738 is about 1488.5355219141. The cubic root of 2215738 is about 130.3685400288.

The spelling of 2215738 in words is "two million, two hundred fifteen thousand, seven hundred thirty-eight".