422100342 has 16 divisors (see below), whose sum is σ = 938000880. Its totient is φ = 140700096.

The previous prime is 422100331. The next prime is 422100377. The reversal of 422100342 is 243001224.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 3908283 + ... + 3908390.

It is an arithmetic number, because the mean of its divisors is an integer number (58625055).

Almost surely, 2^422100342 is an apocalyptic number.

422100342 is an abundant number, since it is smaller than the sum of its proper divisors (515900538).

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

422100342 is a wasteful number, since it uses less digits than its factorization.

422100342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7816684 (or 7816678 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 422100342 is about 20545.0807250787. The cubic root of 422100342 is about 750.1335122312.

Adding to 422100342 its reverse (243001224), we get a palindrome (665101566).

It can be divided in two parts, 422 and 100342, that multiplied together give a palindrome (42344324).

The spelling of 422100342 in words is "four hundred twenty-two million, one hundred thousand, three hundred forty-two".