400102422 has 8 divisors (see below), whose sum is σ = 800204856. Its totient is φ = 133367472.

The previous prime is 400102403. The next prime is 400102447. The reversal of 400102422 is 224201004.

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

400102422 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33341863 + ... + 33341874.

It is an arithmetic number, because the mean of its divisors is an integer number (100025607).

Almost surely, 2^400102422 is an apocalyptic number.

400102422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

400102422 is a wasteful number, since it uses less digits than its factorization.

400102422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66683742.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 400102422 is about 20002.5603861106. The cubic root of 400102422 is about 736.8691820070.

Adding to 400102422 its reverse (224201004), we get a palindrome (624303426).

The spelling of 400102422 in words is "four hundred million, one hundred two thousand, four hundred twenty-two".