222403655 has 8 divisors (see below), whose sum is σ = 268051200. Its totient is φ = 177145056.

The previous prime is 222403651. The next prime is 222403661. The reversal of 222403655 is 556304222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222403655 - 2² = 222403651 is a prime.

It is a super-3 number, since 3×222403655³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222403651) 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, 95975 + ... + 98264.

It is an arithmetic number, because the mean of its divisors is an integer number (33506400).

Almost surely, 2^222403655 is an apocalyptic number.

222403655 is a deficient number, since it is larger than the sum of its proper divisors (45647545).

222403655 is a wasteful number, since it uses less digits than its factorization.

222403655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194473.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 222403655 is about 14913.2040487616. The cubic root of 222403655 is about 605.8716620543.

Adding to 222403655 its reverse (556304222), we get a palindrome (778707877).

The spelling of 222403655 in words is "two hundred twenty-two million, four hundred three thousand, six hundred fifty-five".