222431284 has 12 divisors (see below), whose sum is σ = 389453764. Its totient is φ = 111158784.

The previous prime is 222431269. The next prime is 222431291. The reversal of 222431284 is 482134222.

It can be written as a sum of positive squares in 2 ways, for example, as 47610000 + 174821284 = 6900^2 + 13222^2 .

It is a super-3 number, since 3×222431284³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4707 + ... + 21610.

Almost surely, 2^222431284 is an apocalyptic number.

It is an amenable number.

222431284 is a deficient number, since it is larger than the sum of its proper divisors (167022480).

222431284 is a wasteful number, since it uses less digits than its factorization.

222431284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28434 (or 28432 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 222431284 is about 14914.1303467551. The cubic root of 222431284 is about 605.8967499738.

The spelling of 222431284 in words is "two hundred twenty-two million, four hundred thirty-one thousand, two hundred eighty-four".