222970280 has 128 divisors (see below), whose sum is σ = 572382720. Its totient is φ = 77552640.

The previous prime is 222970277. The next prime is 222970309. The reversal of 222970280 is 82079222.

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 31 ways as a sum of consecutive naturals, for example, 1231790 + ... + 1231970.

It is an arithmetic number, because the mean of its divisors is an integer number (4471740).

Almost surely, 2^222970280 is an apocalyptic number.

222970280 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 222970280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286191360).

222970280 is an abundant number, since it is smaller than the sum of its proper divisors (349412440).

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

222970280 is a wasteful number, since it uses less digits than its factorization.

222970280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 222970280 is about 14932.1893907089. The cubic root of 222970280 is about 606.3857586643.

The spelling of 222970280 in words is "two hundred twenty-two million, nine hundred seventy thousand, two hundred eighty".