222400313100400 has 120 divisors (see below), whose sum is σ = 551739644430464. Its totient is φ = 86061276057600.

The previous prime is 222400313100391. The next prime is 222400313100401. The reversal of 222400313100400 is 4001313004222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222400313100401) 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, 33580372 + ... + 39654028.

Almost surely, 2^{222400313100400} is an apocalyptic number.

222400313100400 is a gapful number since it is divisible by the number (20) 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 222400313100400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275869822215232).

222400313100400 is an abundant number, since it is smaller than the sum of its proper divisors (329339331330064).

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

222400313100400 is a wasteful number, since it uses less digits than its factorization.

222400313100400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6076659 (or 6076648 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 222400313100400 its reverse (4001313004222), we get a palindrome (226401626104622).

The spelling of 222400313100400 in words is "two hundred twenty-two trillion, four hundred billion, three hundred thirteen million, one hundred thousand, four hundred".