2247736 has 8 divisors (see below), whose sum is σ = 4214520. Its totient is φ = 1123864.

The previous prime is 2247733. The next prime is 2247737. The reversal of 2247736 is 6377422.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2247698 and 2247707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2247733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140476 + ... + 140491.

It is an arithmetic number, because the mean of its divisors is an integer number (526815).

2^2247736 is an apocalyptic number.

It is an amenable number.

2247736 is a deficient number, since it is larger than the sum of its proper divisors (1966784).

2247736 is a wasteful number, since it uses less digits than its factorization.

2247736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280973 (or 280969 counting only the distinct ones).

The product of its digits is 14112, while the sum is 31.

The square root of 2247736 is about 1499.2451433972. The cubic root of 2247736 is about 130.9931041569.

The spelling of 2247736 in words is "two million, two hundred forty-seven thousand, seven hundred thirty-six".