222690746880 has 1600 divisors, whose sum is σ = 969666508800. Its totient is φ = 48771072000.

The previous prime is 222690746807. The next prime is 222690746893. The reversal of 222690746880 is 88647096222.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2204858830 + ... + 2204858930.

It is an arithmetic number, because the mean of its divisors is an integer number (606041568).

Almost surely, 2^222690746880 is an apocalyptic number.

222690746880 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 222690746880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484833254400).

222690746880 is an abundant number, since it is smaller than the sum of its proper divisors (746975761920).

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

222690746880 is an equidigital number, since it uses as much as digits as its factorization.

222690746880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 222690746880 in words is "two hundred twenty-two billion, six hundred ninety million, seven hundred forty-six thousand, eight hundred eighty".