52226666 has 4 divisors (see below), whose sum is σ = 78340002. Its totient is φ = 26113332.

The previous prime is 52226653. The next prime is 52226683. The reversal of 52226666 is 66662225.

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., 42523441 + 9703225 = 6521^2 + 3115^2 .

52226666 is a modest number, since divided by 6666 gives 5222 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13056665 + ... + 13056668.

Almost surely, 2^52226666 is an apocalyptic number.

52226666 is a deficient number, since it is larger than the sum of its proper divisors (26113336).

52226666 is a wasteful number, since it uses less digits than its factorization.

52226666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26113335.

The product of its digits is 51840, while the sum is 35.

The square root of 52226666 is about 7226.8019206285. The cubic root of 52226666 is about 373.7926586731.

The spelling of 52226666 in words is "fifty-two million, two hundred twenty-six thousand, six hundred sixty-six".