222000555 has 32 divisors (see below), whose sum is σ = 416922624. Its totient is φ = 98741376.

The previous prime is 222000553. The next prime is 222000557. The reversal of 222000555 is 555000222.

It is an interprime number because it is at equal distance from previous prime (222000553) and next prime (222000557).

It is not a de Polignac number, because 222000555 - 2¹ = 222000553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (222000553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24687 + ... + 32456.

It is an arithmetic number, because the mean of its divisors is an integer number (13028832).

Almost surely, 2^222000555 is an apocalyptic number.

222000555 is a deficient number, since it is larger than the sum of its proper divisors (194922069).

222000555 is a wasteful number, since it uses less digits than its factorization.

222000555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57195.

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 222000555 is about 14899.6830503202. The cubic root of 222000555 is about 605.5053992381.

Adding to 222000555 its reverse (555000222), we get a palindrome (777000777).

It can be divided in two parts, 222000 and 555, that multiplied together give a square (123210000 = 11100²).

The spelling of 222000555 in words is "two hundred twenty-two million, five hundred fifty-five", and thus it is an aban number.