222922506240 has 1024 divisors, whose sum is σ = 948233779200. Its totient is φ = 48582623232.

The previous prime is 222922506221. The next prime is 222922506241. The reversal of 222922506240 is 42605229222.

222922506240 is a `hidden beast` number, since 2 + 2 + 2 + 9 + 2 + 25 + 0 + 624 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1024).

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

It is a junction number, because it is equal to n+sod(n) for n = 222922506195 and 222922506204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222922506241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 712212324 + ... + 712212636.

It is an arithmetic number, because the mean of its divisors is an integer number (926009550).

Almost surely, 2^222922506240 is an apocalyptic number.

222922506240 is a gapful number since it is divisible by the number (20) 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 222922506240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474116889600).

222922506240 is an abundant number, since it is smaller than the sum of its proper divisors (725311272960).

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

222922506240 is an equidigital number, since it uses as much as digits as its factorization.

222922506240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 222922506240 in words is "two hundred twenty-two billion, nine hundred twenty-two million, five hundred six thousand, two hundred forty".