222881364 has 36 divisors (see below), whose sum is σ = 565941376. Its totient is φ = 73957968.

The previous prime is 222881363. The next prime is 222881369. The reversal of 222881364 is 463188222.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×222881364² = 99352204837000992, 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 not an unprimeable number, because it can be changed into a prime (222881363) 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 11 ways as a sum of consecutive naturals, for example, 5854 + ... + 21909.

Almost surely, 2^222881364 is an apocalyptic number.

It is an amenable number.

222881364 is an abundant number, since it is smaller than the sum of its proper divisors (343060012).

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

222881364 is a wasteful number, since it uses less digits than its factorization.

222881364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27996 (or 27991 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 222881364 is about 14929.2117675382. The cubic root of 222881364 is about 606.3051431898.

The spelling of 222881364 in words is "two hundred twenty-two million, eight hundred eighty-one thousand, three hundred sixty-four".