222116156 has 24 divisors (see below), whose sum is σ = 418682880. Its totient is φ = 102764592.

The previous prime is 222116131. The next prime is 222116159. The reversal of 222116156 is 651611222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222116159) 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, 30716 + ... + 37251.

It is an arithmetic number, because the mean of its divisors is an integer number (17445120).

Almost surely, 2^222116156 is an apocalyptic number.

It is an amenable number.

222116156 is a deficient number, since it is larger than the sum of its proper divisors (196566724).

222116156 is a wasteful number, since it uses less digits than its factorization.

222116156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68033 (or 68031 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 222116156 is about 14903.5618561470. The cubic root of 222116156 is about 605.6104813830.

Adding to 222116156 its reverse (651611222), we get a palindrome (873727378).

The spelling of 222116156 in words is "two hundred twenty-two million, one hundred sixteen thousand, one hundred fifty-six".