7222408 has 16 divisors (see below), whose sum is σ = 13570560. Its totient is φ = 3603600.

The previous prime is 7222379. The next prime is 7222427. The reversal of 7222408 is 8042227.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6793 + ... + 7783.

It is an arithmetic number, because the mean of its divisors is an integer number (848160).

Almost surely, 2^7222408 is an apocalyptic number.

It is an amenable number.

7222408 is a deficient number, since it is larger than the sum of its proper divisors (6348152).

7222408 is a wasteful number, since it uses less digits than its factorization.

7222408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908 (or 1904 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 7222408 is about 2687.4538135566. The cubic root of 7222408 is about 193.2979906329.

The spelling of 7222408 in words is "seven million, two hundred twenty-two thousand, four hundred eight".