2220442505 has 16 divisors (see below), whose sum is σ = 2969758080. Its totient is φ = 1583868672.

The previous prime is 2220442501. The next prime is 2220442513. The reversal of 2220442505 is 5052440222.

It is a cyclic number.

It is not a de Polignac number, because 2220442505 - 2² = 2220442501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2220442501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685829 + ... + 689058.

It is an arithmetic number, because the mean of its divisors is an integer number (185609880).

Almost surely, 2^2220442505 is an apocalyptic number.

It is an amenable number.

2220442505 is a deficient number, since it is larger than the sum of its proper divisors (749315575).

2220442505 is a wasteful number, since it uses less digits than its factorization.

2220442505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374928.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 2220442505 is about 47121.5715463735. The cubic root of 2220442505 is about 1304.6074194806.

Adding to 2220442505 its reverse (5052440222), we get a palindrome (7272882727).

The spelling of 2220442505 in words is "two billion, two hundred twenty million, four hundred forty-two thousand, five hundred five".