555213222 has 12 divisors (see below), whose sum is σ = 1202962020. Its totient is φ = 185071068.

The previous prime is 555213221. The next prime is 555213223. The reversal of 555213222 is 222312555.

It is an interprime number because it is at equal distance from previous prime (555213221) and next prime (555213223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555213221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15422572 + ... + 15422607.

It is an arithmetic number, because the mean of its divisors is an integer number (100246835).

Almost surely, 2^555213222 is an apocalyptic number.

555213222 is an abundant number, since it is smaller than the sum of its proper divisors (647748798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

555213222 is a wasteful number, since it uses less digits than its factorization.

555213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30845187 (or 30845184 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 555213222 is about 23562.9629291395. The cubic root of 555213222 is about 821.9018033195.

Adding to 555213222 its reverse (222312555), we get a palindrome (777525777).

The spelling of 555213222 in words is "five hundred fifty-five million, two hundred thirteen thousand, two hundred twenty-two".