122444420 has 96 divisors (see below), whose sum is σ = 307722240. Its totient is φ = 40043520.

The previous prime is 122444401. The next prime is 122444429. The reversal of 122444420 is 24444221.

122444420 = T₁₆₀ + T₁₆₁ + ... + T₉₀₃.

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

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386102 + ... + 386418.

It is an arithmetic number, because the mean of its divisors is an integer number (3205440).

Almost surely, 2^122444420 is an apocalyptic number.

122444420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122444420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153861120).

122444420 is an abundant number, since it is smaller than the sum of its proper divisors (185277820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122444420 is a wasteful number, since it uses less digits than its factorization.

122444420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 122444420 is about 11065.4606772606. The cubic root of 122444420 is about 496.5690713051.

Adding to 122444420 its reverse (24444221), we get a palindrome (146888641).

The spelling of 122444420 in words is "one hundred twenty-two million, four hundred forty-four thousand, four hundred twenty".