2287449522 has 18 divisors (see below), whose sum is σ = 4956580317. Its totient is φ = 762415536.

The previous prime is 2287449517. The next prime is 2287449547. The reversal of 2287449522 is 2259447822.

2287449522 is a `hidden beast` number, since 2 + 2 + 87 + 4 + 49 + 522 = 666.

2287449522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2136380841 + 151068681 = 46221^2 + 12291^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33819.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 197278 + ... + 208550.

Almost surely, 2^2287449522 is an apocalyptic number.

2287449522 is an abundant number, since it is smaller than the sum of its proper divisors (2669130795).

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

2287449522 is an frugal number, since it uses more digits than its factorization.

2287449522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22554 (or 11278 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 2287449522 is about 47827.2884658957. The cubic root of 2287449522 is about 1317.6007692129.

The spelling of 2287449522 in words is "two billion, two hundred eighty-seven million, four hundred forty-nine thousand, five hundred twenty-two".