7902224 has 40 divisors (see below), whose sum is σ = 17007840. Its totient is φ = 3526400.

The previous prime is 7902197. The next prime is 7902227. The reversal of 7902224 is 4222097.

It is a junction number, because it is equal to n+sod(n) for n = 7902193 and 7902202.

It is not an unprimeable number, because it can be changed into a prime (7902227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10004 + ... + 10764.

It is an arithmetic number, because the mean of its divisors is an integer number (425196).

Almost surely, 2^7902224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7902224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8503920).

7902224 is an abundant number, since it is smaller than the sum of its proper divisors (9105616).

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

7902224 is a wasteful number, since it uses less digits than its factorization.

7902224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 7902224 is about 2811.0894685157. The cubic root of 7902224 is about 199.1818577801.

The spelling of 7902224 in words is "seven million, nine hundred two thousand, two hundred twenty-four".