2221562 has 12 divisors (see below), whose sum is σ = 3876570. Its totient is φ = 952056.

The previous prime is 2221523. The next prime is 2221567. The reversal of 2221562 is 2651222.

It can be written as a sum of positive squares in only one way, i.e., 1301881 + 919681 = 1141^2 + 959^2 .

It is not an unprimeable number, because it can be changed into a prime (2221567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11237 + ... + 11432.

2^2221562 is an apocalyptic number.

2221562 is a deficient number, since it is larger than the sum of its proper divisors (1655008).

2221562 is a wasteful number, since it uses less digits than its factorization.

2221562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22685 (or 22678 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 2221562 is about 1490.4905232842. The cubic root of 2221562 is about 130.4826633458.

Adding to 2221562 its reverse (2651222), we get a palindrome (4872784).

The spelling of 2221562 in words is "two million, two hundred twenty-one thousand, five hundred sixty-two".