222354720 has 576 divisors, whose sum is σ = 968647680. Its totient is φ = 47029248.

The previous prime is 222354707. The next prime is 222354761. The reversal of 222354720 is 27453222.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5171019 + ... + 5171061.

It is an arithmetic number, because the mean of its divisors is an integer number (1681680).

Almost surely, 2^222354720 is an apocalyptic number.

222354720 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 222354720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484323840).

222354720 is an abundant number, since it is smaller than the sum of its proper divisors (746292960).

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

222354720 is a wasteful number, since it uses less digits than its factorization.

222354720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 222354720 is about 14911.5632983266. The cubic root of 222354720 is about 605.8272225800.

The spelling of 222354720 in words is "two hundred twenty-two million, three hundred fifty-four thousand, seven hundred twenty".