7403222 has 8 divisors (see below), whose sum is σ = 11257176. Its totient is φ = 3650832.

The previous prime is 7403213. The next prime is 7403233. The reversal of 7403222 is 2223047.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 7403194 and 7403203.

It is a congruent number.

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, 25208 + ... + 25499.

It is an arithmetic number, because the mean of its divisors is an integer number (1407147).

Almost surely, 2^7403222 is an apocalyptic number.

7403222 is a deficient number, since it is larger than the sum of its proper divisors (3853954).

7403222 is a wasteful number, since it uses less digits than its factorization.

7403222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50782.

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

The square root of 7403222 is about 2720.8862526758. The cubic root of 7403222 is about 194.8977943472.

Adding to 7403222 its reverse (2223047), we get a palindrome (9626269).

The spelling of 7403222 in words is "seven million, four hundred three thousand, two hundred twenty-two".