7402226 has 8 divisors (see below), whose sum is σ = 11957484. Its totient is φ = 3416400.

The previous prime is 7402223. The next prime is 7402231. The reversal of 7402226 is 6222047.

It can be written as a sum of positive squares in 2 ways, for example, as 6838225 + 564001 = 2615^2 + 751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (7402223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142325 + ... + 142376.

Almost surely, 2^7402226 is an apocalyptic number.

7402226 is a deficient number, since it is larger than the sum of its proper divisors (4555258).

7402226 is a wasteful number, since it uses less digits than its factorization.

7402226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284716.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 7402226 is about 2720.7032179200. The cubic root of 7402226 is about 194.8890536976.

The spelling of 7402226 in words is "seven million, four hundred two thousand, two hundred twenty-six".