2247478 has 4 divisors (see below), whose sum is σ = 3371220. Its totient is φ = 1123738.

The previous prime is 2247473. The next prime is 2247499. The reversal of 2247478 is 8747422.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2247473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561868 + ... + 561871.

It is an arithmetic number, because the mean of its divisors is an integer number (842805).

2^2247478 is an apocalyptic number.

2247478 is a deficient number, since it is larger than the sum of its proper divisors (1123742).

2247478 is a wasteful number, since it uses less digits than its factorization.

2247478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123741.

The product of its digits is 25088, while the sum is 34.

The square root of 2247478 is about 1499.1590976277. The cubic root of 2247478 is about 130.9880920746.

The spelling of 2247478 in words is "two million, two hundred forty-seven thousand, four hundred seventy-eight".