2240164 has 12 divisors (see below), whose sum is σ = 3984988. Its totient is φ = 1101600.

The previous prime is 2240159. The next prime is 2240191. The reversal of 2240164 is 4610422.

It can be written as a sum of positive squares in 2 ways, for example, as 627264 + 1612900 = 792^2 + 1270^2 .

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, 4347 + ... + 4834.

2^2240164 is an apocalyptic number.

It is an amenable number.

2240164 is a deficient number, since it is larger than the sum of its proper divisors (1744824).

2240164 is a wasteful number, since it uses less digits than its factorization.

2240164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9246 (or 9244 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2240164 is about 1496.7177422614. The cubic root of 2240164 is about 130.8458455134.

Adding to 2240164 its reverse (4610422), we get a palindrome (6850586).

It can be divided in two parts, 22 and 40164, that added together give a triangular number (40186 = T₂₈₃).

The spelling of 2240164 in words is "two million, two hundred forty thousand, one hundred sixty-four".