222011212302 has 48 divisors (see below), whose sum is σ = 524865322800. Its totient is φ = 67261824000.

The previous prime is 222011212271. The next prime is 222011212303. The reversal of 222011212302 is 203212110222.

It is a super-2 number, since 2×222011212302² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011212303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 833824 + ... + 1067372.

It is an arithmetic number, because the mean of its divisors is an integer number (10934694225).

Almost surely, 2^222011212302 is an apocalyptic number.

222011212302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222011212302 is an abundant number, since it is smaller than the sum of its proper divisors (302854110498).

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

222011212302 is a wasteful number, since it uses less digits than its factorization.

222011212302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238369 (or 238366 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222011212302 its reverse (203212110222), we get a palindrome (425223322524).

The spelling of 222011212302 in words is "two hundred twenty-two billion, eleven million, two hundred twelve thousand, three hundred two".