52212305 has 4 divisors (see below), whose sum is σ = 62654772. Its totient is φ = 41769840.

The previous prime is 52212299. The next prime is 52212317. The reversal of 52212305 is 50321225.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36084049 + 16128256 = 6007^2 + 4016^2 .

It is not a de Polignac number, because 52212305 - 2²² = 48018001 is a prime.

It is a super-2 number, since 2×52212305² = 5452249586826050, which contains 22 as substring.

It is a Duffinian number.

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, 5221226 + ... + 5221235.

It is an arithmetic number, because the mean of its divisors is an integer number (15663693).

Almost surely, 2^52212305 is an apocalyptic number.

It is an amenable number.

52212305 is a deficient number, since it is larger than the sum of its proper divisors (10442467).

52212305 is a wasteful number, since it uses less digits than its factorization.

52212305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10442466.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 52212305 is about 7225.8082592884. The cubic root of 52212305 is about 373.7583943857.

The spelling of 52212305 in words is "fifty-two million, two hundred twelve thousand, three hundred five".