222354224820 has 192 divisors, whose sum is σ = 851407818240. Its totient is φ = 46914287616.

The previous prime is 222354224819. The next prime is 222354224821. The reversal of 222354224820 is 28422453222.

222354224820 is a `hidden beast` number, since 2 + 2 + 2 + 354 + 224 + 82 + 0 = 666.

222354224820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222354224819) and next prime (222354224821).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222354224821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2213317 + ... + 2311596.

It is an arithmetic number, because the mean of its divisors is an integer number (4434415720).

Almost surely, 2^222354224820 is an apocalyptic number.

222354224820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222354224820 is an abundant number, since it is smaller than the sum of its proper divisors (629053593420).

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

222354224820 is a wasteful number, since it uses less digits than its factorization.

222354224820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524951 (or 4524943 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

The spelling of 222354224820 in words is "two hundred twenty-two billion, three hundred fifty-four million, two hundred twenty-four thousand, eight hundred twenty".