42152422 has 16 divisors (see below), whose sum is σ = 71053920. Its totient is φ = 18608832.

The previous prime is 42152419. The next prime is 42152449. The reversal of 42152422 is 22425124.

It is a junction number, because it is equal to n+sod(n) for n = 42152393 and 42152402.

It is a congruent 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, 34647 + ... + 35842.

It is an arithmetic number, because the mean of its divisors is an integer number (4440870).

Almost surely, 2^42152422 is an apocalyptic number.

42152422 is a deficient number, since it is larger than the sum of its proper divisors (28901498).

42152422 is a wasteful number, since it uses less digits than its factorization.

42152422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70527.

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

The square root of 42152422 is about 6492.4896611392. The cubic root of 42152422 is about 348.0226512318.

Adding to 42152422 its reverse (22425124), we get a palindrome (64577546).

The spelling of 42152422 in words is "forty-two million, one hundred fifty-two thousand, four hundred twenty-two".