52231442 has 8 divisors (see below), whose sum is σ = 78378300. Its totient is φ = 26105344.

The previous prime is 52231423. The next prime is 52231451. The reversal of 52231442 is 24413225.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51423241 + 808201 = 7171^2 + 899^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5534 + ... + 11622.

Almost surely, 2^52231442 is an apocalyptic number.

52231442 is a deficient number, since it is larger than the sum of its proper divisors (26146858).

52231442 is a wasteful number, since it uses less digits than its factorization.

52231442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10380.

The product of its digits is 1920, while the sum is 23.

The square root of 52231442 is about 7227.1323496944. The cubic root of 52231442 is about 373.8040524651.

Adding to 52231442 its reverse (24413225), we get a palindrome (76644667).

The spelling of 52231442 in words is "fifty-two million, two hundred thirty-one thousand, four hundred forty-two".