2604221445 has 16 divisors (see below), whose sum is σ = 4762005120. Its totient is φ = 1190501184.

The previous prime is 2604221423. The next prime is 2604221447. The reversal of 2604221445 is 5441224062.

It is not a de Polignac number, because 2604221445 - 2¹⁶ = 2604155909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604221447) by changing a digit.

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, 12400950 + ... + 12401159.

It is an arithmetic number, because the mean of its divisors is an integer number (297625320).

Almost surely, 2^2604221445 is an apocalyptic number.

It is an amenable number.

2604221445 is a deficient number, since it is larger than the sum of its proper divisors (2157783675).

2604221445 is a wasteful number, since it uses less digits than its factorization.

2604221445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24802124.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 2604221445 is about 51031.5730210230. The cubic root of 2604221445 is about 1375.8126669223.

The spelling of 2604221445 in words is "two billion, six hundred four million, two hundred twenty-one thousand, four hundred forty-five".