2240712 has 24 divisors (see below), whose sum is σ = 6068790. Its totient is φ = 746880.

The previous prime is 2240701. The next prime is 2240723. The reversal of 2240712 is 2170422.

It is an interprime number because it is at equal distance from previous prime (2240701) and next prime (2240723).

It can be written as a sum of positive squares in only one way, i.e., 1887876 + 352836 = 1374^2 + 594^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15489 + ... + 15632.

2^2240712 is an apocalyptic number.

It is an amenable number.

2240712 is an abundant number, since it is smaller than the sum of its proper divisors (3828078).

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

2240712 is a wasteful number, since it uses less digits than its factorization.

2240712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31133 (or 31126 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2240712 is about 1496.9007983163. The cubic root of 2240712 is about 130.8565140295.

The spelling of 2240712 in words is "two million, two hundred forty thousand, seven hundred twelve".