2221555562 has 16 divisors (see below), whose sum is σ = 3426240384. Its totient is φ = 1079676000.

The previous prime is 2221555547. The next prime is 2221555577. The reversal of 2221555562 is 2655551222.

2221555562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2221555547) and next prime (2221555577).

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, 27764 + ... + 72207.

It is an arithmetic number, because the mean of its divisors is an integer number (214140024).

Almost surely, 2^2221555562 is an apocalyptic number.

2221555562 is a deficient number, since it is larger than the sum of its proper divisors (1204684822).

2221555562 is a wasteful number, since it uses less digits than its factorization.

2221555562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100285.

The product of its digits is 60000, while the sum is 35.

The square root of 2221555562 is about 47133.3805492456. The cubic root of 2221555562 is about 1304.8253730116.

It can be divided in two parts, 22215 and 55562, that added together give a palindrome (77777).

The spelling of 2221555562 in words is "two billion, two hundred twenty-one million, five hundred fifty-five thousand, five hundred sixty-two".