42162252 has 24 divisors (see below), whose sum is σ = 107322432. Its totient is φ = 12776400.

The previous prime is 42162247. The next prime is 42162269. The reversal of 42162252 is 25226124.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159574 + ... + 159837.

It is an arithmetic number, because the mean of its divisors is an integer number (4471768).

Almost surely, 2^42162252 is an apocalyptic number.

It is an amenable number.

42162252 is an abundant number, since it is smaller than the sum of its proper divisors (65160180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42162252 is a wasteful number, since it uses less digits than its factorization.

42162252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319429 (or 319427 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 42162252 is about 6493.2466455541. The cubic root of 42162252 is about 348.0497022418.

Adding to 42162252 its reverse (25226124), we get a palindrome (67388376).

The spelling of 42162252 in words is "forty-two million, one hundred sixty-two thousand, two hundred fifty-two".