222581332 has 6 divisors (see below), whose sum is σ = 389517338. Its totient is φ = 111290664.

The previous prime is 222581329. The next prime is 222581339. The reversal of 222581332 is 233185222.

It can be written as a sum of positive squares in only one way, i.e., 221295376 + 1285956 = 14876^2 + 1134^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222581332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222581339) by changing a digit.

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 as a sum of consecutive naturals, namely, 27822663 + ... + 27822670.

Almost surely, 2^222581332 is an apocalyptic number.

It is an amenable number.

222581332 is a deficient number, since it is larger than the sum of its proper divisors (166936006).

222581332 is a wasteful number, since it uses less digits than its factorization.

222581332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55645337 (or 55645335 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 222581332 is about 14919.1598959191. The cubic root of 222581332 is about 606.0329615695.

The spelling of 222581332 in words is "two hundred twenty-two million, five hundred eighty-one thousand, three hundred thirty-two".