222140124 has 24 divisors (see below), whose sum is σ = 575919120. Its totient is φ = 74046672.

The previous prime is 222140117. The next prime is 222140129. The reversal of 222140124 is 421041222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222140097 and 222140106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222140129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028319 + ... + 1028534.

It is an arithmetic number, because the mean of its divisors is an integer number (23996630).

Almost surely, 2^222140124 is an apocalyptic number.

It is an amenable number.

222140124 is an abundant number, since it is smaller than the sum of its proper divisors (353778996).

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

222140124 is a wasteful number, since it uses less digits than its factorization.

222140124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056866 (or 2056858 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 222140124 is about 14904.3659375366. The cubic root of 222140124 is about 605.6322639047.

Adding to 222140124 its reverse (421041222), we get a palindrome (643181346).

The spelling of 222140124 in words is "two hundred twenty-two million, one hundred forty thousand, one hundred twenty-four".