222231255 has 32 divisors (see below), whose sum is σ = 363557376. Its totient is φ = 115891584.

The previous prime is 222231253. The next prime is 222231299. The reversal of 222231255 is 552132222.

It is not a de Polignac number, because 222231255 - 2¹ = 222231253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222231253) 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, 127369 + ... + 129101.

It is an arithmetic number, because the mean of its divisors is an integer number (11361168).

Almost surely, 2^222231255 is an apocalyptic number.

222231255 is a deficient number, since it is larger than the sum of its proper divisors (141326121).

222231255 is a wasteful number, since it uses less digits than its factorization.

222231255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927.

The product of its digits is 2400, while the sum is 24.

The square root of 222231255 is about 14907.4228154970. The cubic root of 222231255 is about 605.7150709894.

Adding to 222231255 its reverse (552132222), we get a palindrome (774363477).

The spelling of 222231255 in words is "two hundred twenty-two million, two hundred thirty-one thousand, two hundred fifty-five".