222400120124 has 96 divisors (see below), whose sum is σ = 487729837056. Its totient is φ = 86392604160.

The previous prime is 222400120123. The next prime is 222400120141. The reversal of 222400120124 is 421021004222.

It is a junction number, because it is equal to n+sod(n) for n = 222400120096 and 222400120105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222400120123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6013409 + ... + 6050279.

It is an arithmetic number, because the mean of its divisors is an integer number (5080519136).

Almost surely, 2^222400120124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222400120124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243864918528).

222400120124 is an abundant number, since it is smaller than the sum of its proper divisors (265329716932).

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

222400120124 is a wasteful number, since it uses less digits than its factorization.

222400120124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37195 (or 37193 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222400120124 its reverse (421021004222), we get a palindrome (643421124346).

The spelling of 222400120124 in words is "two hundred twenty-two billion, four hundred million, one hundred twenty thousand, one hundred twenty-four".