222404064 has 48 divisors (see below), whose sum is σ = 618157008. Its totient is φ = 69773312.

The previous prime is 222404053. The next prime is 222404069. The reversal of 222404064 is 460404222.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222404069) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 66507 + ... + 69770.

It is an arithmetic number, because the mean of its divisors is an integer number (12878271).

Almost surely, 2^222404064 is an apocalyptic number.

222404064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

222404064 is an abundant number, since it is smaller than the sum of its proper divisors (395752944).

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

222404064 is a wasteful number, since it uses less digits than its factorization.

222404064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136307 (or 136299 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 222404064 is about 14913.2177614357. The cubic root of 222404064 is about 605.8720334531.

Adding to 222404064 its reverse (460404222), we get a palindrome (682808286).

The spelling of 222404064 in words is "two hundred twenty-two million, four hundred four thousand, sixty-four".