222016154 has 4 divisors (see below), whose sum is σ = 333024234. Its totient is φ = 111008076.

The previous prime is 222016127. The next prime is 222016177. The reversal of 222016154 is 451610222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 221563225 + 452929 = 14885^2 + 673^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55504037 + ... + 55504040.

Almost surely, 2^222016154 is an apocalyptic number.

222016154 is a deficient number, since it is larger than the sum of its proper divisors (111008080).

222016154 is a wasteful number, since it uses less digits than its factorization.

222016154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111008079.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 222016154 is about 14900.2065086360. The cubic root of 222016154 is about 605.5195809707.

Adding to 222016154 its reverse (451610222), we get a palindrome (673626376).

The spelling of 222016154 in words is "two hundred twenty-two million, sixteen thousand, one hundred fifty-four".