222115102 has 12 divisors (see below), whose sum is σ = 366214968. Its totient is φ = 100961300.

The previous prime is 222115099. The next prime is 222115109. The reversal of 222115102 is 201511222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222115109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 458674 + ... + 459157.

It is an arithmetic number, because the mean of its divisors is an integer number (30517914).

Almost surely, 2^222115102 is an apocalyptic number.

222115102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222115102 is a deficient number, since it is larger than the sum of its proper divisors (144099866).

222115102 is a wasteful number, since it uses less digits than its factorization.

222115102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917855 (or 917844 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 222115102 is about 14903.5264954305. The cubic root of 222115102 is about 605.6095234541.

Adding to 222115102 its reverse (201511222), we get a palindrome (423626324).

The spelling of 222115102 in words is "two hundred twenty-two million, one hundred fifteen thousand, one hundred two".