7472226 has 16 divisors (see below), whose sum is σ = 14990400. Its totient is φ = 2483088.

The previous prime is 7472221. The next prime is 7472237. The reversal of 7472226 is 6222747.

It is a super-2 number, since 2×7472226² = 111668322790152, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7472193 and 7472202.

It is not an unprimeable number, because it can be changed into a prime (7472221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420 + ... + 3888.

It is an arithmetic number, because the mean of its divisors is an integer number (936900).

Almost surely, 2^7472226 is an apocalyptic number.

7472226 is an abundant number, since it is smaller than the sum of its proper divisors (7518174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7472226 is a wasteful number, since it uses less digits than its factorization.

7472226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833.

The product of its digits is 9408, while the sum is 30.

The square root of 7472226 is about 2733.5372688149. The cubic root of 7472226 is about 195.5014575498.

The spelling of 7472226 in words is "seven million, four hundred seventy-two thousand, two hundred twenty-six".