7223402 has 8 divisors (see below), whose sum is σ = 11472516. Its totient is φ = 3399232.

The previous prime is 7223369. The next prime is 7223417. The reversal of 7223402 is 2043227.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6964321 + 259081 = 2639^2 + 509^2 .

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

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, 106193 + ... + 106260.

Almost surely, 2^7223402 is an apocalyptic number.

7223402 is a deficient number, since it is larger than the sum of its proper divisors (4249114).

7223402 is a wasteful number, since it uses less digits than its factorization.

7223402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212472.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 7223402 is about 2687.6387406048. The cubic root of 7223402 is about 193.3068579151.

Adding to 7223402 its reverse (2043227), we get a palindrome (9266629).

The spelling of 7223402 in words is "seven million, two hundred twenty-three thousand, four hundred two".