2249420 has 24 divisors (see below), whose sum is σ = 4826304. Its totient is φ = 880256.

The previous prime is 2249419. The next prime is 2249431. The reversal of 2249420 is 249422.

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, 257 + ... + 2136.

It is an arithmetic number, because the mean of its divisors is an integer number (201096).

2^2249420 is an apocalyptic number.

2249420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2249420 is an abundant number, since it is smaller than the sum of its proper divisors (2576884).

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

2249420 is a wasteful number, since it uses less digits than its factorization.

2249420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449 (or 2447 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2249420 is about 1499.8066542058. The cubic root of 2249420 is about 131.0258092613.

The spelling of 2249420 in words is "two million, two hundred forty-nine thousand, four hundred twenty".