222066564720 has 640 divisors, whose sum is σ = 940019834880. Its totient is φ = 41869578240.

The previous prime is 222066564679. The next prime is 222066564761. The reversal of 222066564720 is 27465660222.

It is an interprime number because it is at equal distance from previous prime (222066564679) and next prime (222066564761).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14166327 + ... + 14181993.

It is an arithmetic number, because the mean of its divisors is an integer number (1468780992).

Almost surely, 2^222066564720 is an apocalyptic number.

222066564720 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 222066564720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470009917440).

222066564720 is an abundant number, since it is smaller than the sum of its proper divisors (717953270160).

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

222066564720 is a wasteful number, since it uses less digits than its factorization.

222066564720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15773 (or 15767 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 222066564720 in words is "two hundred twenty-two billion, sixty-six million, five hundred sixty-four thousand, seven hundred twenty".