2223018450 has 72 divisors (see below), whose sum is σ = 6009349008. Its totient is φ = 589148640.

The previous prime is 2223018443. The next prime is 2223018451. The reversal of 2223018450 is 548103222.

It is a super-2 number, since 2×2223018450² = 9883622058080805000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2223018451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 58197 + ... + 88503.

Almost surely, 2^2223018450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2223018450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3004674504).

2223018450 is an abundant number, since it is smaller than the sum of its proper divisors (3786330558).

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

2223018450 is a wasteful number, since it uses less digits than its factorization.

2223018450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30488 (or 30480 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2223018450 is about 47148.8965936638. The cubic root of 2223018450 is about 1305.1117180969. Note that the first 3 decimals are identical.

The spelling of 2223018450 in words is "two billion, two hundred twenty-three million, eighteen thousand, four hundred fifty".