52212245 has 8 divisors (see below), whose sum is σ = 63263616. Its totient is φ = 41363856.

The previous prime is 52212239. The next prime is 52212269. The reversal of 52212245 is 54221225.

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

It is a cyclic number.

It is not a de Polignac number, because 52212245 - 2¹⁶ = 52146709 is a prime.

It is a super-2 number, since 2×52212245² = 5452237055880050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52212245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50177 + ... + 51206.

It is an arithmetic number, because the mean of its divisors is an integer number (7907952).

Almost surely, 2^52212245 is an apocalyptic number.

It is an amenable number.

52212245 is a deficient number, since it is larger than the sum of its proper divisors (11051371).

52212245 is a wasteful number, since it uses less digits than its factorization.

52212245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101491.

The product of its digits is 1600, while the sum is 23.

The square root of 52212245 is about 7225.8041075025. The cubic root of 52212245 is about 373.7582512170.

The spelling of 52212245 in words is "fifty-two million, two hundred twelve thousand, two hundred forty-five".