52312622 has 4 divisors (see below), whose sum is σ = 78468936. Its totient is φ = 26156310.

The previous prime is 52312619. The next prime is 52312669. The reversal of 52312622 is 22621325.

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

It is a super-2 number, since 2×52312622² = 5473220841029768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13078154 + ... + 13078157.

It is an arithmetic number, because the mean of its divisors is an integer number (19617234).

Almost surely, 2^52312622 is an apocalyptic number.

52312622 is a deficient number, since it is larger than the sum of its proper divisors (26156314).

52312622 is a wasteful number, since it uses less digits than its factorization.

52312622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26156313.

The product of its digits is 1440, while the sum is 23.

The square root of 52312622 is about 7232.7465046136. The cubic root of 52312622 is about 373.9976121555.

Adding to 52312622 its reverse (22621325), we get a palindrome (74933947).

The spelling of 52312622 in words is "fifty-two million, three hundred twelve thousand, six hundred twenty-two".