342722392 has 8 divisors (see below), whose sum is σ = 642604500. Its totient is φ = 171361192.

The previous prime is 342722383. The next prime is 342722407. The reversal of 342722392 is 293227243.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×342722392³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21420142 + ... + 21420157.

Almost surely, 2^342722392 is an apocalyptic number.

It is an amenable number.

342722392 is a deficient number, since it is larger than the sum of its proper divisors (299882108).

342722392 is a wasteful number, since it uses less digits than its factorization.

342722392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42840305 (or 42840301 counting only the distinct ones).

The product of its digits is 36288, while the sum is 34.

The square root of 342722392 is about 18512.7629488415. The cubic root of 342722392 is about 699.8111000490.

The spelling of 342722392 in words is "three hundred forty-two million, seven hundred twenty-two thousand, three hundred ninety-two".