2154226000 has 80 divisors (see below), whose sum is σ = 5435509248. Its totient is φ = 824208000.

The previous prime is 2154225979. The next prime is 2154226003. The reversal of 2154226000 is 6224512.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154226003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22585 + ... + 69415.

Almost surely, 2^2154226000 is an apocalyptic number.

2154226000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2154226000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2717754624).

2154226000 is an abundant number, since it is smaller than the sum of its proper divisors (3281283248).

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

2154226000 is a wasteful number, since it uses less digits than its factorization.

2154226000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46877 (or 46861 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2154226000 is about 46413.6402364650. The cubic root of 2154226000 is about 1291.5079615392.

The spelling of 2154226000 in words is "two billion, one hundred fifty-four million, two hundred twenty-six thousand".