122444421 has 32 divisors (see below), whose sum is σ = 190532736. Its totient is φ = 69120000.

The previous prime is 122444401. The next prime is 122444429. The reversal of 122444421 is 124444221.

It is not a de Polignac number, because 122444421 - 2¹³ = 122436229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122444391 and 122444400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122444429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55581 + ... + 57741.

It is an arithmetic number, because the mean of its divisors is an integer number (5954148).

Almost surely, 2^122444421 is an apocalyptic number.

122444421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122444421 is a deficient number, since it is larger than the sum of its proper divisors (68088315).

122444421 is a wasteful number, since it uses less digits than its factorization.

122444421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293.

The product of its digits is 2048, while the sum is 24.

The square root of 122444421 is about 11065.4607224462. The cubic root of 122444421 is about 496.5690726569.

Adding to 122444421 its reverse (124444221), we get a palindrome (246888642).

It can be divided in two parts, 1 and 22444421, that added together give a palindrome (22444422).

The spelling of 122444421 in words is "one hundred twenty-two million, four hundred forty-four thousand, four hundred twenty-one".