2251368 has 64 divisors (see below), whose sum is σ = 7152000. Its totient is φ = 642816.

The previous prime is 2251349. The next prime is 2251369. The reversal of 2251368 is 8631522.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2251369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 768 + ... + 2256.

It is an arithmetic number, because the mean of its divisors is an integer number (111750).

2^2251368 is an apocalyptic number.

2251368 is a gapful number since it is divisible by the number (28) 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 2251368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3576000).

2251368 is an abundant number, since it is smaller than the sum of its proper divisors (4900632).

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

2251368 is a wasteful number, since it uses less digits than its factorization.

2251368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511 (or 1501 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2251368 is about 1500.4559307091. The cubic root of 2251368 is about 131.0636211762.

The spelling of 2251368 in words is "two million, two hundred fifty-one thousand, three hundred sixty-eight".