7226402 has 4 divisors (see below), whose sum is σ = 10839606. Its totient is φ = 3613200.

The previous prime is 7226381. The next prime is 7226431. The reversal of 7226402 is 2046227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2046227 = 409 ⋅5003.

It can be written as a sum of positive squares in only one way, i.e., 5564881 + 1661521 = 2359^2 + 1289^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1806599 + ... + 1806602.

Almost surely, 2^7226402 is an apocalyptic number.

7226402 is a deficient number, since it is larger than the sum of its proper divisors (3613204).

7226402 is a wasteful number, since it uses less digits than its factorization.

7226402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613203.

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

The square root of 7226402 is about 2688.1967933914. The cubic root of 7226402 is about 193.3336154045. Note that the first 3 decimals are identical.

The spelling of 7226402 in words is "seven million, two hundred twenty-six thousand, four hundred two".