42422152 has 8 divisors (see below), whose sum is σ = 79541550. Its totient is φ = 21211072.

The previous prime is 42422147. The next prime is 42422161. The reversal of 42422152 is 25122424.

It can be written as a sum of positive squares in only one way, i.e., 23290276 + 19131876 = 4826^2 + 4374^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×42422152² = 3599277960622208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2651377 + ... + 2651392.

Almost surely, 2^42422152 is an apocalyptic number.

It is an amenable number.

42422152 is a deficient number, since it is larger than the sum of its proper divisors (37119398).

42422152 is a wasteful number, since it uses less digits than its factorization.

42422152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302775 (or 5302771 counting only the distinct ones).

The product of its digits is 1280, while the sum is 22.

The square root of 42422152 is about 6513.2289995055. The cubic root of 42422152 is about 348.7633965812.

Adding to 42422152 its reverse (25122424), we get a palindrome (67544576).

The spelling of 42422152 in words is "forty-two million, four hundred twenty-two thousand, one hundred fifty-two".