122231288 has 16 divisors (see below), whose sum is σ = 237087000. Its totient is φ = 59008096.

The previous prime is 122231287. The next prime is 122231293. The reversal of 122231288 is 882132221.

It is a super-2 number, since 2×122231288² = 29880975532277888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 122231288.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122231281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263198 + ... + 263661.

Almost surely, 2^122231288 is an apocalyptic number.

It is an amenable number.

122231288 is a deficient number, since it is larger than the sum of its proper divisors (114855712).

122231288 is a wasteful number, since it uses less digits than its factorization.

122231288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526894 (or 526890 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 122231288 is about 11055.8259754756. The cubic root of 122231288 is about 496.2807875118.

The spelling of 122231288 in words is "one hundred twenty-two million, two hundred thirty-one thousand, two hundred eighty-eight".