222964380 has 96 divisors (see below), whose sum is σ = 696595200. Its totient is φ = 59206464.

The previous prime is 222964351. The next prime is 222964393. The reversal of 222964380 is 83469222.

222964380 is a `hidden beast` number, since 2 + 2 + 2 + 9 + 643 + 8 + 0 = 666.

It is a super-2 number, since 2×222964380² = 99426229497568800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152091 + ... + 153549.

It is an arithmetic number, because the mean of its divisors is an integer number (7256200).

Almost surely, 2^222964380 is an apocalyptic number.

222964380 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 222964380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348297600).

222964380 is an abundant number, since it is smaller than the sum of its proper divisors (473630820).

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

222964380 is a wasteful number, since it uses less digits than its factorization.

222964380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 222964380 is about 14931.9918296254. The cubic root of 222964380 is about 606.3804101076.

The spelling of 222964380 in words is "two hundred twenty-two million, nine hundred sixty-four thousand, three hundred eighty".