342220404 has 48 divisors (see below), whose sum is σ = 882258048. Its totient is φ = 102693888.

The previous prime is 342220393. The next prime is 342220441. The reversal of 342220404 is 404022243.

It is a super-2 number, since 2×342220404² = 234229609827846432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31777 + ... + 41160.

It is an arithmetic number, because the mean of its divisors is an integer number (18380376).

Almost surely, 2^342220404 is an apocalyptic number.

342220404 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

342220404 is an abundant number, since it is smaller than the sum of its proper divisors (540037644).

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

342220404 is a wasteful number, since it uses less digits than its factorization.

342220404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72984 (or 72982 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 342220404 is about 18499.2000908147. The cubic root of 342220404 is about 699.4692602801.

Adding to 342220404 its reverse (404022243), we get a palindrome (746242647).

The spelling of 342220404 in words is "three hundred forty-two million, two hundred twenty thousand, four hundred four".