122222115 has 40 divisors (see below), whose sum is σ = 228637728. Its totient is φ = 62346240.

The previous prime is 122222071. The next prime is 122222131. The reversal of 122222115 is 511222221.

It is not a de Polignac number, because 122222115 - 2⁷ = 122221987 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2755 + ... + 15875.

Almost surely, 2^122222115 is an apocalyptic number.

122222115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122222115 is a deficient number, since it is larger than the sum of its proper divisors (106415613).

122222115 is a wasteful number, since it uses less digits than its factorization.

122222115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13161 (or 13152 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 122222115 is about 11055.4111185428. The cubic root of 122222115 is about 496.2683725303.

Adding to 122222115 its reverse (511222221), we get a palindrome (633444336).

The spelling of 122222115 in words is "one hundred twenty-two million, two hundred twenty-two thousand, one hundred fifteen".