42115322 has 4 divisors (see below), whose sum is σ = 63172986. Its totient is φ = 21057660.

The previous prime is 42115313. The next prime is 42115331. The reversal of 42115322 is 22351124.

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

It is an interprime number because it is at equal distance from previous prime (42115313) and next prime (42115331).

It can be written as a sum of positive squares in only one way, i.e., 36493681 + 5621641 = 6041^2 + 2371^2 .

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 42115294 and 42115303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10528829 + ... + 10528832.

Almost surely, 2^42115322 is an apocalyptic number.

42115322 is a deficient number, since it is larger than the sum of its proper divisors (21057664).

42115322 is a wasteful number, since it uses less digits than its factorization.

42115322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21057663.

The product of its digits is 480, while the sum is 20.

The square root of 42115322 is about 6489.6318847836. The cubic root of 42115322 is about 347.9205184668.

Adding to 42115322 its reverse (22351124), we get a palindrome (64466446).

The spelling of 42115322 in words is "forty-two million, one hundred fifteen thousand, three hundred twenty-two".