2244620 has 24 divisors (see below), whose sum is σ = 5387424. Its totient is φ = 769536.

The previous prime is 2244611. The next prime is 2244623. The reversal of 2244620 is 264422.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a d-powerful number, because it can be written as 2 + 2¹⁷ + 4 + 4⁷ + 6 + 2²¹ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 2244592 and 2244601.

It is not an unprimeable number, because it can be changed into a prime (2244623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7877 + ... + 8156.

It is an arithmetic number, because the mean of its divisors is an integer number (224476).

2^2244620 is an apocalyptic number.

2244620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2244620 is an abundant number, since it is smaller than the sum of its proper divisors (3142804).

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

2244620 is a wasteful number, since it uses less digits than its factorization.

2244620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16049 (or 16047 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2244620 is about 1498.2055933683. The cubic root of 2244620 is about 130.9325449582.

The spelling of 2244620 in words is "two million, two hundred forty-four thousand, six hundred twenty".