7227406 has 4 divisors (see below), whose sum is σ = 10841112. Its totient is φ = 3613702.

The previous prime is 7227403. The next prime is 7227419. The reversal of 7227406 is 6047227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6047227 = 293 ⋅20639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7227403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1806850 + ... + 1806853.

It is an arithmetic number, because the mean of its divisors is an integer number (2710278).

Almost surely, 2^7227406 is an apocalyptic number.

7227406 is a deficient number, since it is larger than the sum of its proper divisors (3613706).

7227406 is a wasteful number, since it uses less digits than its factorization.

7227406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613705.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 7227406 is about 2688.3835291863. The cubic root of 7227406 is about 193.3425685904.

It can be divided in two parts, 722 and 7406, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 7227406 in words is "seven million, two hundred twenty-seven thousand, four hundred six".