2221224045 has 16 divisors (see below), whose sum is σ = 3561267840. Its totient is φ = 1182216384.

The previous prime is 2221224037. The next prime is 2221224091. The reversal of 2221224045 is 5404221222.

It is not a de Polignac number, because 2221224045 - 2³ = 2221224037 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 144730 + ... + 159339.

It is an arithmetic number, because the mean of its divisors is an integer number (222579240).

Almost surely, 2^2221224045 is an apocalyptic number.

It is an amenable number.

2221224045 is a deficient number, since it is larger than the sum of its proper divisors (1340043795).

2221224045 is a wasteful number, since it uses less digits than its factorization.

2221224045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304564.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 2221224045 is about 47129.8636216996. The cubic root of 2221224045 is about 1304.7604645424.

Adding to 2221224045 its reverse (5404221222), we get a palindrome (7625445267).

The spelling of 2221224045 in words is "two billion, two hundred twenty-one million, two hundred twenty-four thousand, forty-five".