52272226 has 4 divisors (see below), whose sum is σ = 78408342. Its totient is φ = 26136112.

The previous prime is 52272221. The next prime is 52272251. The reversal of 52272226 is 62227225.

It is a happy number.

52272226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40335201 + 11937025 = 6351^2 + 3455^2 .

It is a super-2 number, since 2×52272226² = 5464771221990152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52272194 and 52272203.

It is not an unprimeable number, because it can be changed into a prime (52272221) 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 as a sum of consecutive naturals, namely, 13068055 + ... + 13068058.

Almost surely, 2^52272226 is an apocalyptic number.

52272226 is a deficient number, since it is larger than the sum of its proper divisors (26136116).

52272226 is a wasteful number, since it uses less digits than its factorization.

52272226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26136115.

The product of its digits is 6720, while the sum is 28.

The square root of 52272226 is about 7229.9533885081. The cubic root of 52272226 is about 373.9013199195.

The spelling of 52272226 in words is "fifty-two million, two hundred seventy-two thousand, two hundred twenty-six".