2223565542 has 96 divisors (see below), whose sum is σ = 5423337504. Its totient is φ = 652492800.

The previous prime is 2223565537. The next prime is 2223565559. The reversal of 2223565542 is 2455653222.

2223565542 is a `hidden beast` number, since 2 + 22 + 35 + 65 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2223565497 and 2223565506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1882192 + ... + 1883372.

It is an arithmetic number, because the mean of its divisors is an integer number (56493099).

Almost surely, 2^2223565542 is an apocalyptic number.

2223565542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2223565542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2711668752).

2223565542 is an abundant number, since it is smaller than the sum of its proper divisors (3199771962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2223565542 is a wasteful number, since it uses less digits than its factorization.

2223565542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494 (or 1491 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 2223565542 is about 47154.6979844002. The cubic root of 2223565542 is about 1305.2187733808.

It can be divided in two parts, 2223 and 565542, that added together give a palindrome (567765).

The spelling of 2223565542 in words is "two billion, two hundred twenty-three million, five hundred sixty-five thousand, five hundred forty-two".