222131652512 has 192 divisors, whose sum is σ = 573000873984. Its totient is φ = 82246026240.

The previous prime is 222131652497. The next prime is 222131652527. The reversal of 222131652512 is 215256131222.

It is an interprime number because it is at equal distance from previous prime (222131652497) and next prime (222131652527).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3891893 + ... + 3948555.

It is an arithmetic number, because the mean of its divisors is an integer number (2984379552).

Almost surely, 2^222131652512 is an apocalyptic number.

222131652512 is a gapful number since it is divisible by the number (22) 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 222131652512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286500436992).

222131652512 is an abundant number, since it is smaller than the sum of its proper divisors (350869221472).

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

222131652512 is a wasteful number, since it uses less digits than its factorization.

222131652512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56771 (or 56763 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

Adding to 222131652512 its reverse (215256131222), we get a palindrome (437387783734).

The spelling of 222131652512 in words is "two hundred twenty-two billion, one hundred thirty-one million, six hundred fifty-two thousand, five hundred twelve".