222042755 has 16 divisors (see below), whose sum is σ = 297437184. Its totient is φ = 157728480.

The previous prime is 222042749. The next prime is 222042761. The reversal of 222042755 is 557240222.

It is an interprime number because it is at equal distance from previous prime (222042749) and next prime (222042761).

It is not a de Polignac number, because 222042755 - 2¹⁰ = 222041731 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 44579 + ... + 49308.

It is an arithmetic number, because the mean of its divisors is an integer number (18589824).

Almost surely, 2^222042755 is an apocalyptic number.

222042755 is a deficient number, since it is larger than the sum of its proper divisors (75394429).

222042755 is a wasteful number, since it uses less digits than its factorization.

222042755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93946.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 222042755 is about 14901.0991205347. The cubic root of 222042755 is about 605.5437635700.

Adding to 222042755 its reverse (557240222), we get a palindrome (779282977).

The spelling of 222042755 in words is "two hundred twenty-two million, forty-two thousand, seven hundred fifty-five".