7220924 has 6 divisors (see below), whose sum is σ = 12636624. Its totient is φ = 3610460.

The previous prime is 7220921. The next prime is 7220933. The reversal of 7220924 is 4290227.

It is a junction number, because it is equal to n+sod(n) for n = 7220893 and 7220902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 902612 + ... + 902619.

It is an arithmetic number, because the mean of its divisors is an integer number (2106104).

Almost surely, 2^7220924 is an apocalyptic number.

It is an amenable number.

7220924 is a deficient number, since it is larger than the sum of its proper divisors (5415700).

7220924 is a wasteful number, since it uses less digits than its factorization.

7220924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805235 (or 1805233 counting only the distinct ones).

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

The square root of 7220924 is about 2687.1777016044. The cubic root of 7220924 is about 193.2847506411.

The spelling of 7220924 in words is "seven million, two hundred twenty thousand, nine hundred twenty-four".