52222465 has 4 divisors (see below), whose sum is σ = 62666964. Its totient is φ = 41777968.

The previous prime is 52222463. The next prime is 52222483. The reversal of 52222465 is 56422225.

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 6036849 + 46185616 = 2457^2 + 6796^2 .

It is a cyclic number.

It is not a de Polignac number, because 52222465 - 2¹ = 52222463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52222463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5222242 + ... + 5222251.

It is an arithmetic number, because the mean of its divisors is an integer number (15666741).

Almost surely, 2^52222465 is an apocalyptic number.

It is an amenable number.

52222465 is a deficient number, since it is larger than the sum of its proper divisors (10444499).

52222465 is a wasteful number, since it uses less digits than its factorization.

52222465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10444498.

The product of its digits is 9600, while the sum is 28.

The square root of 52222465 is about 7226.5112606292. The cubic root of 52222465 is about 373.7826360468.

The spelling of 52222465 in words is "fifty-two million, two hundred twenty-two thousand, four hundred sixty-five".