222042124356 has 72 divisors (see below), whose sum is σ = 561734568864. Its totient is φ = 68233351680.

The previous prime is 222042124219. The next prime is 222042124357. The reversal of 222042124356 is 653421240222.

It is not an unprimeable number, because it can be changed into a prime (222042124357) 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, 1526476 + ... + 1665596.

It is an arithmetic number, because the mean of its divisors is an integer number (7801869012).

Almost surely, 2^222042124356 is an apocalyptic number.

222042124356 is a gapful number since it is divisible by the number (26) 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 222042124356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280867284432).

222042124356 is an abundant number, since it is smaller than the sum of its proper divisors (339692444508).

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

222042124356 is a wasteful number, since it uses less digits than its factorization.

222042124356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139941 (or 139926 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 222042124356 its reverse (653421240222), we get a palindrome (875463364578).

The spelling of 222042124356 in words is "two hundred twenty-two billion, forty-two million, one hundred twenty-four thousand, three hundred fifty-six".