222500770 has 8 divisors (see below), whose sum is σ = 400501404. Its totient is φ = 89000304.

The previous prime is 222500767. The next prime is 222500779. The reversal of 222500770 is 77005222.

It can be written as a sum of positive squares in 2 ways, for example, as 203604361 + 18896409 = 14269^2 + 4347^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (222500779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11125029 + ... + 11125048.

Almost surely, 2^222500770 is an apocalyptic number.

222500770 is a deficient number, since it is larger than the sum of its proper divisors (178000634).

222500770 is a wasteful number, since it uses less digits than its factorization.

222500770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22250084.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 222500770 is about 14916.4597006126. The cubic root of 222500770 is about 605.9598360613.

Adding to 222500770 its reverse (77005222), we get a palindrome (299505992).

The spelling of 222500770 in words is "two hundred twenty-two million, five hundred thousand, seven hundred seventy".