42170237722 has 16 divisors (see below), whose sum is σ = 63625242240. Its totient is φ = 20962180512.

The previous prime is 42170237717. The next prime is 42170237771. The reversal of 42170237722 is 22773207124.

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, 148383 + ... + 326125.

It is an arithmetic number, because the mean of its divisors is an integer number (3976577640).

Almost surely, 2^42170237722 is an apocalyptic number.

42170237722 is a deficient number, since it is larger than the sum of its proper divisors (21455004518).

42170237722 is a wasteful number, since it uses less digits than its factorization.

42170237722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178437.

The product of its (nonzero) digits is 65856, while the sum is 37.

The spelling of 42170237722 in words is "forty-two billion, one hundred seventy million, two hundred thirty-seven thousand, seven hundred twenty-two".