222513670 has 8 divisors (see below), whose sum is σ = 400524624. Its totient is φ = 89005464.

The previous prime is 222513659. The next prime is 222513673. The reversal of 222513670 is 76315222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222513673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11125674 + ... + 11125693.

It is an arithmetic number, because the mean of its divisors is an integer number (50065578).

Almost surely, 2^222513670 is an apocalyptic number.

222513670 is a deficient number, since it is larger than the sum of its proper divisors (178010954).

222513670 is a wasteful number, since it uses less digits than its factorization.

222513670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22251374.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 222513670 is about 14916.8921025795. The cubic root of 222513670 is about 605.9715464789.

Adding to 222513670 its reverse (76315222), we get a palindrome (298828892).

It can be divided in two parts, 22251 and 3670, that added together give a square (25921 = 161²).

The spelling of 222513670 in words is "two hundred twenty-two million, five hundred thirteen thousand, six hundred seventy".