342217542 has 8 divisors (see below), whose sum is σ = 684435096. Its totient is φ = 114072512.

The previous prime is 342217537. The next prime is 342217543. The reversal of 342217542 is 245712243.

It is a sphenic number, since it is the product of 3 distinct primes.

342217542 is an admirable number.

It is a super-2 number, since 2×342217542² = 234225692105043528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342217543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28518123 + ... + 28518134.

It is an arithmetic number, because the mean of its divisors is an integer number (85554387).

Almost surely, 2^342217542 is an apocalyptic number.

342217542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

342217542 is a wasteful number, since it uses less digits than its factorization.

342217542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57036262.

The product of its digits is 13440, while the sum is 30.

The square root of 342217542 is about 18499.1227359570. The cubic root of 342217542 is about 699.4673103802.

Adding to 342217542 its reverse (245712243), we get a palindrome (587929785).

The spelling of 342217542 in words is "three hundred forty-two million, two hundred seventeen thousand, five hundred forty-two".