42115022 has 4 divisors (see below), whose sum is σ = 63172536. Its totient is φ = 21057510.

The previous prime is 42115009. The next prime is 42115027. The reversal of 42115022 is 22051124.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42115027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10528754 + ... + 10528757.

It is an arithmetic number, because the mean of its divisors is an integer number (15793134).

Almost surely, 2^42115022 is an apocalyptic number.

42115022 is a deficient number, since it is larger than the sum of its proper divisors (21057514).

42115022 is a wasteful number, since it uses less digits than its factorization.

42115022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21057513.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 42115022 is about 6489.6087709507. The cubic root of 42115022 is about 347.9196923510.

Adding to 42115022 its reverse (22051124), we get a palindrome (64166146).

The spelling of 42115022 in words is "forty-two million, one hundred fifteen thousand, twenty-two".