222612270 has 16 divisors (see below), whose sum is σ = 534269520. Its totient is φ = 59363264.

The previous prime is 222612233. The next prime is 222612277. The reversal of 222612270 is 72216222.

222612270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222612270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222612277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3710175 + ... + 3710234.

It is an arithmetic number, because the mean of its divisors is an integer number (33391845).

Almost surely, 2^222612270 is an apocalyptic number.

222612270 is an abundant number, since it is smaller than the sum of its proper divisors (311657250).

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

222612270 is a wasteful number, since it uses less digits than its factorization.

222612270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7420419.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 222612270 is about 14920.1967145209. The cubic root of 222612270 is about 606.0610390651.

Adding to 222612270 its reverse (72216222), we get a palindrome (294828492).

It can be divided in two parts, 22261 and 2270, that added together give a triangular number (24531 = T₂₂₁).

The spelling of 222612270 in words is "two hundred twenty-two million, six hundred twelve thousand, two hundred seventy".