222009748 has 6 divisors (see below), whose sum is σ = 388517066. Its totient is φ = 111004872.

The previous prime is 222009727. The next prime is 222009757. The reversal of 222009748 is 847900222.

It can be written as a sum of positive squares in only one way, i.e., 221473924 + 535824 = 14882^2 + 732^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27751215 + ... + 27751222.

Almost surely, 2^222009748 is an apocalyptic number.

It is an amenable number.

222009748 is a deficient number, since it is larger than the sum of its proper divisors (166507318).

222009748 is a wasteful number, since it uses less digits than its factorization.

222009748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55502441 (or 55502439 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 222009748 is about 14899.9915436218. The cubic root of 222009748 is about 605.5137570765.

The spelling of 222009748 in words is "two hundred twenty-two million, nine thousand, seven hundred forty-eight".