2287664445 has 32 divisors (see below), whose sum is σ = 3997123200. Its totient is φ = 1108029440.

The previous prime is 2287664411. The next prime is 2287664447. The reversal of 2287664445 is 5444667822.

It is not a de Polignac number, because 2287664445 - 2¹¹ = 2287662397 is a prime.

It is a super-2 number, since 2×2287664445² = 10466817225834316050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2287664394 and 2287664403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287664447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166477 + ... + 179693.

It is an arithmetic number, because the mean of its divisors is an integer number (124910100).

Almost surely, 2^2287664445 is an apocalyptic number.

It is an amenable number.

2287664445 is a deficient number, since it is larger than the sum of its proper divisors (1709458755).

2287664445 is a wasteful number, since it uses less digits than its factorization.

2287664445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14285.

The product of its digits is 2580480, while the sum is 48.

The square root of 2287664445 is about 47829.5352789466. The cubic root of 2287664445 is about 1317.6420340712.

The spelling of 2287664445 in words is "two billion, two hundred eighty-seven million, six hundred sixty-four thousand, four hundred forty-five".