7224678 has 12 divisors (see below), whose sum is σ = 15653508. Its totient is φ = 2408220.

The previous prime is 7224673. The next prime is 7224689. The reversal of 7224678 is 8764227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7224671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200668 + ... + 200703.

It is an arithmetic number, because the mean of its divisors is an integer number (1304459).

Almost surely, 2^7224678 is an apocalyptic number.

7224678 is an abundant number, since it is smaller than the sum of its proper divisors (8428830).

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

7224678 is a wasteful number, since it uses less digits than its factorization.

7224678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401379 (or 401376 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 7224678 is about 2687.8761132165. The cubic root of 7224678 is about 193.3182396725.

The spelling of 7224678 in words is "seven million, two hundred twenty-four thousand, six hundred seventy-eight".