2250388 has 24 divisors (see below), whose sum is σ = 4536000. Its totient is φ = 956928.

The previous prime is 2250359. The next prime is 2250397. The reversal of 2250388 is 8830522.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁸ + 2¹⁷ + 5⁶ + 0 + 3⁷ + 8⁴ + 8⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4788 + ... + 5236.

It is an arithmetic number, because the mean of its divisors is an integer number (189000).

2^2250388 is an apocalyptic number.

2250388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2250388 is an abundant number, since it is smaller than the sum of its proper divisors (2285612).

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

2250388 is a wasteful number, since it uses less digits than its factorization.

2250388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2250388 is about 1500.1293277581. The cubic root of 2250388 is about 131.0446014824.

The spelling of 2250388 in words is "two million, two hundred fifty thousand, three hundred eighty-eight".