52287322 has 8 divisors (see below), whose sum is σ = 79312500. Its totient is φ = 25849824.

The previous prime is 52287307. The next prime is 52287329. The reversal of 52287322 is 22378225.

It can be written as a sum of positive squares in 2 ways, for example, as 41847961 + 10439361 = 6469^2 + 3231^2 .

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

It is not an unprimeable number, because it can be changed into a prime (52287329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146697 + ... + 147052.

Almost surely, 2^52287322 is an apocalyptic number.

52287322 is a deficient number, since it is larger than the sum of its proper divisors (27025178).

52287322 is a wasteful number, since it uses less digits than its factorization.

52287322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293840.

The product of its digits is 13440, while the sum is 31.

The square root of 52287322 is about 7230.9973032771. The cubic root of 52287322 is about 373.9373101670.

It can be divided in two parts, 522873 and 22, that multiplied together give a triangular number (11503206 = T₄₇₉₆).

The spelling of 52287322 in words is "fifty-two million, two hundred eighty-seven thousand, three hundred twenty-two".