2215562 has 4 divisors (see below), whose sum is σ = 3323346. Its totient is φ = 1107780.

The previous prime is 2215561. The next prime is 2215573. The reversal of 2215562 is 2655122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2655122 = 2 ⋅1327561.

It can be written as a sum of positive squares in only one way, i.e., 2193361 + 22201 = 1481^2 + 149^2 .

It is not an unprimeable number, because it can be changed into a prime (2215561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553889 + ... + 553892.

2^2215562 is an apocalyptic number.

2215562 is a deficient number, since it is larger than the sum of its proper divisors (1107784).

2215562 is a wasteful number, since it uses less digits than its factorization.

2215562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107783.

The product of its digits is 1200, while the sum is 23.

The square root of 2215562 is about 1488.4764022315. The cubic root of 2215562 is about 130.3650881359.

The spelling of 2215562 in words is "two million, two hundred fifteen thousand, five hundred sixty-two".