124242222 has 64 divisors (see below), whose sum is σ = 290062080. Its totient is φ = 35126784.

The previous prime is 124242211. The next prime is 124242241. The reversal of 124242222 is 222242421.

It is a super-2 number, since 2×124242222² = 30872259454994568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55929 + ... + 58107.

It is an arithmetic number, because the mean of its divisors is an integer number (4532220).

Almost surely, 2^124242222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124242222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145031040).

124242222 is an abundant number, since it is smaller than the sum of its proper divisors (165819858).

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

124242222 is a wasteful number, since it uses less digits than its factorization.

124242222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257.

The product of its digits is 1024, while the sum is 21.

The square root of 124242222 is about 11146.3995083614. The cubic root of 124242222 is about 498.9875807314.

Adding to 124242222 its reverse (222242421), we get a palindrome (346484643).

The spelling of 124242222 in words is "one hundred twenty-four million, two hundred forty-two thousand, two hundred twenty-two".