122239215 has 48 divisors (see below), whose sum is σ = 243187776. Its totient is φ = 55641600.

The previous prime is 122239211. The next prime is 122239237. The reversal of 122239215 is 512932221.

It is a happy number.

It is not a de Polignac number, because 122239215 - 2² = 122239211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122239211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87825 + ... + 89205.

It is an arithmetic number, because the mean of its divisors is an integer number (5066412).

Almost surely, 2^122239215 is an apocalyptic number.

122239215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122239215 is a deficient number, since it is larger than the sum of its proper divisors (120948561).

122239215 is a wasteful number, since it uses less digits than its factorization.

122239215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680 (or 1677 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 122239215 is about 11056.1844684321. The cubic root of 122239215 is about 496.2915156236.

The spelling of 122239215 in words is "one hundred twenty-two million, two hundred thirty-nine thousand, two hundred fifteen".