7564226 has 8 divisors (see below), whose sum is σ = 11379900. Its totient is φ = 3770928.

The previous prime is 7564211. The next prime is 7564229. The reversal of 7564226 is 6224657.

It can be written as a sum of positive squares in 2 ways, for example, as 7557001 + 7225 = 2749^2 + 85^2 .

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7564192 and 7564201.

It is not an unprimeable number, because it can be changed into a prime (7564229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4721 + ... + 6116.

Almost surely, 2^7564226 is an apocalyptic number.

7564226 is a deficient number, since it is larger than the sum of its proper divisors (3815674).

7564226 is a wasteful number, since it uses less digits than its factorization.

7564226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11188.

The product of its digits is 20160, while the sum is 32.

The square root of 7564226 is about 2750.3138002781. The cubic root of 7564226 is about 196.3005419745.

The spelling of 7564226 in words is "seven million, five hundred sixty-four thousand, two hundred twenty-six".