400022404202 has 8 divisors (see below), whose sum is σ = 600054312612. Its totient is φ = 200004300000.

The previous prime is 400022404183. The next prime is 400022404207. The reversal of 400022404202 is 202404220004.

It can be written as a sum of positive squares in 2 ways, for example, as 322531990561 + 77490413641 = 567919^2 + 278371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (400022404207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3378299 + ... + 3494702.

Almost surely, 2^400022404202 is an apocalyptic number.

400022404202 is a deficient number, since it is larger than the sum of its proper divisors (200031908410).

400022404202 is a wasteful number, since it uses less digits than its factorization.

400022404202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6902104.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 400022404202 its reverse (202404220004), we get a palindrome (602426624206).

The spelling of 400022404202 in words is "four hundred billion, twenty-two million, four hundred four thousand, two hundred two".