2253218450 has 90 divisors (see below), whose sum is σ = 4925141151. Its totient is φ = 766893120.

The previous prime is 2253218449. The next prime is 2253218467. The reversal of 2253218450 is 548123522.

It can be written as a sum of positive squares in 5 ways, for example, as 1005080209 + 1248138241 = 31703^2 + 35329^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33565.

It is a Curzon 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 44 ways as a sum of consecutive naturals, for example, 16446782 + ... + 16446918.

Almost surely, 2^2253218450 is an apocalyptic number.

2253218450 is an abundant number, since it is smaller than the sum of its proper divisors (2671922701).

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

2253218450 is an frugal number, since it uses more digits than its factorization.

2253218450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 2253218450 is about 47468.0782210529. The cubic root of 2253218450 is about 1310.9951938892.

Multiplying 2253218450 by its sum of digits (32), we get a square (72102990400 = 268520²).

The spelling of 2253218450 in words is "two billion, two hundred fifty-three million, two hundred eighteen thousand, four hundred fifty".