52228465 has 8 divisors (see below), whose sum is σ = 64203048. Its totient is φ = 40763520.

The previous prime is 52228457. The next prime is 52228481. The reversal of 52228465 is 56482225.

It can be written as a sum of positive squares in 4 ways, for example, as 6110784 + 46117681 = 2472^2 + 6791^2 .

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

It is not a de Polignac number, because 52228465 - 2³ = 52228457 is a prime.

It is a super-3 number, since 3×52228465³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52228465.

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, 127182 + ... + 127591.

It is an arithmetic number, because the mean of its divisors is an integer number (8025381).

Almost surely, 2^52228465 is an apocalyptic number.

It is an amenable number.

52228465 is a deficient number, since it is larger than the sum of its proper divisors (11974583).

52228465 is a wasteful number, since it uses less digits than its factorization.

52228465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254819.

The product of its digits is 38400, while the sum is 34.

The square root of 52228465 is about 7226.9263867844. The cubic root of 52228465 is about 373.7969505117.

The spelling of 52228465 in words is "fifty-two million, two hundred twenty-eight thousand, four hundred sixty-five".