52197226 has 8 divisors (see below), whose sum is σ = 78621444. Its totient is φ = 25990080.

The previous prime is 52197217. The next prime is 52197239. The reversal of 52197226 is 62279125.

It can be written as a sum of positive squares in 2 ways, for example, as 49716601 + 2480625 = 7051^2 + 1575^2 .

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

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 52197191 and 52197200.

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, 53665 + ... + 54628.

Almost surely, 2^52197226 is an apocalyptic number.

52197226 is a deficient number, since it is larger than the sum of its proper divisors (26424218).

52197226 is a wasteful number, since it uses less digits than its factorization.

52197226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108536.

The product of its digits is 15120, while the sum is 34.

The square root of 52197226 is about 7224.7647712573. The cubic root of 52197226 is about 373.7224102407.

The spelling of 52197226 in words is "fifty-two million, one hundred ninety-seven thousand, two hundred twenty-six".