2251554450 has 48 divisors (see below), whose sum is σ = 5586755520. Its totient is φ = 600102720.

The previous prime is 2251554439. The next prime is 2251554457. The reversal of 2251554450 is 544551522.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2251554457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 518187 + ... + 522513.

It is an arithmetic number, because the mean of its divisors is an integer number (116390740).

Almost surely, 2^2251554450 is an apocalyptic number.

2251554450 is an abundant number, since it is smaller than the sum of its proper divisors (3335201070).

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

2251554450 is a wasteful number, since it uses less digits than its factorization.

2251554450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7811 (or 7806 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 2251554450 is about 47450.5474151774. The cubic root of 2251554450 is about 1310.6723914501.

The spelling of 2251554450 in words is "two billion, two hundred fifty-one million, five hundred fifty-four thousand, four hundred fifty".