2253421000 has 128 divisors (see below), whose sum is σ = 5489602560. Its totient is φ = 864864000.

The previous prime is 2253420991. The next prime is 2253421003. The reversal of 2253421000 is 1243522.

It is a super-5 number, since 5×2253421000⁵ (a number of 48 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (2253421003) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4866769 + ... + 4867231.

It is an arithmetic number, because the mean of its divisors is an integer number (42887520).

Almost surely, 2^2253421000 is an apocalyptic number.

2253421000 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 2253421000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2744801280).

2253421000 is an abundant number, since it is smaller than the sum of its proper divisors (3236181560).

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

2253421000 is a wasteful number, since it uses less digits than its factorization.

2253421000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2253421000 is about 47470.2117121885. The cubic root of 2253421000 is about 1311.0344760872.

Adding to 2253421000 its reverse (1243522), we get a palindrome (2254664522).

It can be divided in two parts, 22534 and 21000, that added together give a palindrome (43534).

The spelling of 2253421000 in words is "two billion, two hundred fifty-three million, four hundred twenty-one thousand".