242200404 has 18 divisors (see below), whose sum is σ = 612228890. Its totient is φ = 80733456.

The previous prime is 242200397. The next prime is 242200423. The reversal of 242200404 is 404002242.

242200404 is a `hidden beast` number, since 242 + 20 + 0 + 404 = 666.

It can be written as a sum of positive squares in only one way, i.e., 221950404 + 20250000 = 14898^2 + 4500^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×242200404² = 117322071395526432, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 3363859 + ... + 3363930.

Almost surely, 2^242200404 is an apocalyptic number.

It is an amenable number.

242200404 is an abundant number, since it is smaller than the sum of its proper divisors (370028486).

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

242200404 is a wasteful number, since it uses less digits than its factorization.

242200404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6727799 (or 6727794 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 242200404 is about 15562.7890816524. The cubic root of 242200404 is about 623.3399393684.

Adding to 242200404 its reverse (404002242), we get a palindrome (646202646).

The spelling of 242200404 in words is "two hundred forty-two million, two hundred thousand, four hundred four".