222905088 has 288 divisors, whose sum is σ = 800593920. Its totient is φ = 59719680.

The previous prime is 222905083. The next prime is 222905101. The reversal of 222905088 is 880509222.

It is a tau number, because it is divible by the number of its divisors (288).

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

It is not an unprimeable number, because it can be changed into a prime (222905083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 822393 + ... + 822663.

It is an arithmetic number, because the mean of its divisors is an integer number (2779840).

Almost surely, 2^222905088 is an apocalyptic number.

222905088 is a gapful number since it is divisible by the number (28) 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 222905088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400296960).

222905088 is an abundant number, since it is smaller than the sum of its proper divisors (577688832).

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

222905088 is a wasteful number, since it uses less digits than its factorization.

222905088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 222905088 is about 14930.0062960469. The cubic root of 222905088 is about 606.3266545933.

It can be divided in two parts, 22 and 2905088, that multiplied together give a palindrome (63911936).

The spelling of 222905088 in words is "two hundred twenty-two million, nine hundred five thousand, eighty-eight".