122244431 has 4 divisors (see below), whose sum is σ = 122321832. Its totient is φ = 122167032.

The previous prime is 122244407. The next prime is 122244443. The reversal of 122244431 is 134442221.

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

It is a cyclic number.

It is not a de Polignac number, because 122244431 - 2¹⁴ = 122228047 is a prime.

It is a super-2 number, since 2×122244431² = 29887401821027522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122244397 and 122244406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122244631) 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, 36281 + ... + 39506.

It is an arithmetic number, because the mean of its divisors is an integer number (30580458).

Almost surely, 2^122244431 is an apocalyptic number.

122244431 is a deficient number, since it is larger than the sum of its proper divisors (77401).

122244431 is an equidigital number, since it uses as much as digits as its factorization.

122244431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77400.

The product of its digits is 1536, while the sum is 23.

The square root of 122244431 is about 11056.4203519946. The cubic root of 122244431 is about 496.2985745142.

Adding to 122244431 its reverse (134442221), we get a palindrome (256686652).

The spelling of 122244431 in words is "one hundred twenty-two million, two hundred forty-four thousand, four hundred thirty-one".