422102343400 has 96 divisors (see below), whose sum is σ = 1027396117440. Its totient is φ = 160973429760.

The previous prime is 422102343389. The next prime is 422102343407. The reversal of 422102343400 is 4343201224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (422102343407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1262752 + ... + 1561648.

It is an arithmetic number, because the mean of its divisors is an integer number (10702042890).

Almost surely, 2^422102343400 is an apocalyptic number.

422102343400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422102343400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513698058720).

422102343400 is an abundant number, since it is smaller than the sum of its proper divisors (605293774040).

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

422102343400 is a wasteful number, since it uses less digits than its factorization.

422102343400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299243 (or 299234 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 422102343400 its reverse (4343201224), we get a palindrome (426445544624).

The spelling of 422102343400 in words is "four hundred twenty-two billion, one hundred two million, three hundred forty-three thousand, four hundred".