204404222402 has 4 divisors (see below), whose sum is σ = 306606333606. Its totient is φ = 102202111200.

The previous prime is 204404222401. The next prime is 204404222419. The reversal of 204404222402 is 204222404402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 196833308281 + 7570914121 = 443659^2 + 87011^2 .

It is a super-2 number, since 2×204404222402² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204404222401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51101055599 + ... + 51101055602.

Almost surely, 2^204404222402 is an apocalyptic number.

204404222402 is a deficient number, since it is larger than the sum of its proper divisors (102202111204).

204404222402 is a wasteful number, since it uses less digits than its factorization.

204404222402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102202111203.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 204404222402 its reverse (204222404402), we get a palindrome (408626626804).

The spelling of 204404222402 in words is "two hundred four billion, four hundred four million, two hundred twenty-two thousand, four hundred two".