2250978 has 8 divisors (see below), whose sum is σ = 4501968. Its totient is φ = 750324.

The previous prime is 2250977. The next prime is 2250979. The reversal of 2250978 is 8790522.

It is an interprime number because it is at equal distance from previous prime (2250977) and next prime (2250979).

It is a sphenic number, since it is the product of 3 distinct primes.

2250978 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2250977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187576 + ... + 187587.

It is an arithmetic number, because the mean of its divisors is an integer number (562746).

2^2250978 is an apocalyptic number.

2250978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2250978 is a wasteful number, since it uses less digits than its factorization.

2250978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375168.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2250978 is about 1500.3259645824. The cubic root of 2250978 is about 131.0560527757.

The spelling of 2250978 in words is "two million, two hundred fifty thousand, nine hundred seventy-eight".