2189827562 has 48 divisors (see below), whose sum is σ = 3921426432. Its totient is φ = 909807360.

The previous prime is 2189827559. The next prime is 2189827583. The reversal of 2189827562 is 2657289812.

It is a self number, because there is not a number n which added to its sum of digits gives 2189827562.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166487 + ... + 179157.

It is an arithmetic number, because the mean of its divisors is an integer number (81696384).

Almost surely, 2^2189827562 is an apocalyptic number.

2189827562 is a deficient number, since it is larger than the sum of its proper divisors (1731598870).

2189827562 is a wasteful number, since it uses less digits than its factorization.

2189827562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12743 (or 12726 counting only the distinct ones).

The product of its digits is 967680, while the sum is 50.

The square root of 2189827562 is about 46795.5934036529. The cubic root of 2189827562 is about 1298.5837756695.

The spelling of 2189827562 in words is "two billion, one hundred eighty-nine million, eight hundred twenty-seven thousand, five hundred sixty-two".