222012241020 has 72 divisors (see below), whose sum is σ = 676057649904. Its totient is φ = 58972889088.

The previous prime is 222012240959. The next prime is 222012241147. The reversal of 222012241020 is 20142210222.

222012241020 is a `hidden beast` number, since 2 + 220 + 12 + 2 + 410 + 20 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 222012240984 and 222012241002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2353354 + ... + 2445873.

It is an arithmetic number, because the mean of its divisors is an integer number (9389689582).

Almost surely, 2^222012241020 is an apocalyptic number.

222012241020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222012241020 is an abundant number, since it is smaller than the sum of its proper divisors (454045408884).

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

222012241020 is a wasteful number, since it uses less digits than its factorization.

222012241020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4799499 (or 4799494 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222012241020 its reverse (20142210222), we get a palindrome (242154451242).

The spelling of 222012241020 in words is "two hundred twenty-two billion, twelve million, two hundred forty-one thousand, twenty".