2249620 has 12 divisors (see below), whose sum is σ = 4724244. Its totient is φ = 899840.

The previous prime is 2249609. The next prime is 2249633. The reversal of 2249620 is 269422.

It can be written as a sum of positive squares in 2 ways, for example, as 1710864 + 538756 = 1308^2 + 734^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56221 + ... + 56260.

It is an arithmetic number, because the mean of its divisors is an integer number (393687).

2^2249620 is an apocalyptic number.

2249620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2249620 is an abundant number, since it is smaller than the sum of its proper divisors (2474624).

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

2249620 is a wasteful number, since it uses less digits than its factorization.

2249620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112490 (or 112488 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2249620 is about 1499.8733279847. The cubic root of 2249620 is about 131.0296923934.

The spelling of 2249620 in words is "two million, two hundred forty-nine thousand, six hundred twenty".