7402216 has 16 divisors (see below), whose sum is σ = 13910400. Its totient is φ = 3692784.

The previous prime is 7402207. The next prime is 7402217. The reversal of 7402216 is 6122047.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7402217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4425 + ... + 5863.

It is an arithmetic number, because the mean of its divisors is an integer number (869400).

Almost surely, 2^7402216 is an apocalyptic number.

It is an amenable number.

7402216 is a deficient number, since it is larger than the sum of its proper divisors (6508184).

7402216 is a wasteful number, since it uses less digits than its factorization.

7402216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088 (or 2084 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 7402216 is about 2720.7013801592. The cubic root of 7402216 is about 194.8889659361. Note that the first 3 decimals are identical.

The spelling of 7402216 in words is "seven million, four hundred two thousand, two hundred sixteen".