122440229 has 4 divisors (see below), whose sum is σ = 124750476. Its totient is φ = 120129984.

The previous prime is 122440211. The next prime is 122440249. The reversal of 122440229 is 922044221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54789604 + 67650625 = 7402^2 + 8225^2 .

It is a cyclic number.

It is not a de Polignac number, because 122440229 - 2⁸ = 122439973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122440198 and 122440207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122440249) 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, 1155044 + ... + 1155149.

It is an arithmetic number, because the mean of its divisors is an integer number (31187619).

Almost surely, 2^122440229 is an apocalyptic number.

It is an amenable number.

122440229 is a deficient number, since it is larger than the sum of its proper divisors (2310247).

122440229 is an equidigital number, since it uses as much as digits as its factorization.

122440229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310246.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 122440229 is about 11065.2713025935. The cubic root of 122440229 is about 496.5634057557.

The spelling of 122440229 in words is "one hundred twenty-two million, four hundred forty thousand, two hundred twenty-nine".