222135415 has 8 divisors (see below), whose sum is σ = 266655168. Its totient is φ = 177646560.

The previous prime is 222135409. The next prime is 222135437. The reversal of 222135415 is 514531222.

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

It is a de Polignac number, because none of the positive numbers 2^k-222135415 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222135415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13305 + ... + 24925.

It is an arithmetic number, because the mean of its divisors is an integer number (33331896).

Almost surely, 2^222135415 is an apocalyptic number.

222135415 is a deficient number, since it is larger than the sum of its proper divisors (44519753).

222135415 is a wasteful number, since it uses less digits than its factorization.

222135415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15449.

The product of its digits is 2400, while the sum is 25.

The square root of 222135415 is about 14904.2079628540. The cubic root of 222135415 is about 605.6279844099.

Adding to 222135415 its reverse (514531222), we get a palindrome (736666637).

It can be divided in two parts, 2221 and 35415, that added together give a square (37636 = 194²).

The spelling of 222135415 in words is "two hundred twenty-two million, one hundred thirty-five thousand, four hundred fifteen".