2216475 has 18 divisors (see below), whose sum is σ = 3970356. Its totient is φ = 1182000.

The previous prime is 2216471. The next prime is 2216479. The reversal of 2216475 is 5746122.

It is an interprime number because it is at equal distance from previous prime (2216471) and next prime (2216479).

It is not a de Polignac number, because 2216475 - 2² = 2216471 is a prime.

It is a super-2 number, since 2×2216475² = 9825522851250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2216471) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4701 + ... + 5150.

2^2216475 is an apocalyptic number.

2216475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2216475 is a deficient number, since it is larger than the sum of its proper divisors (1753881).

2216475 is a wasteful number, since it uses less digits than its factorization.

2216475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9867 (or 9859 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 2216475 is about 1488.7830600863. The cubic root of 2216475 is about 130.3829928451.

The spelling of 2216475 in words is "two million, two hundred sixteen thousand, four hundred seventy-five".