222255667 has 4 divisors (see below), whose sum is σ = 222430720. Its totient is φ = 222080616.

The previous prime is 222255661. The next prime is 222255679. The reversal of 222255667 is 766552222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222255667 - 2¹⁵ = 222222899 is a prime.

It is a super-2 number, since 2×222255667² = 98795163027229778, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (222255661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85608 + ... + 88165.

It is an arithmetic number, because the mean of its divisors is an integer number (55607680).

Almost surely, 2^222255667 is an apocalyptic number.

222255667 is a deficient number, since it is larger than the sum of its proper divisors (175053).

222255667 is a wasteful number, since it uses less digits than its factorization.

222255667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175052.

The product of its digits is 100800, while the sum is 37.

The square root of 222255667 is about 14908.2415797437. The cubic root of 222255667 is about 605.7372493503.

The spelling of 222255667 in words is "two hundred twenty-two million, two hundred fifty-five thousand, six hundred sixty-seven".