22402021124 has 24 divisors (see below), whose sum is σ = 45054354240. Its totient is φ = 9547227936.

The previous prime is 22402021093. The next prime is 22402021129. The reversal of 22402021124 is 42112020422.

It is a junction number, because it is equal to n+sod(n) for n = 22402021096 and 22402021105.

It is not an unprimeable number, because it can be changed into a prime (22402021129) 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, 2229827 + ... + 2239850.

It is an arithmetic number, because the mean of its divisors is an integer number (1877264760).

Almost surely, 2^22402021124 is an apocalyptic number.

It is an amenable number.

22402021124 is an abundant number, since it is smaller than the sum of its proper divisors (22652333116).

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

22402021124 is a wasteful number, since it uses less digits than its factorization.

22402021124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469867 (or 4469865 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22402021124 its reverse (42112020422), we get a palindrome (64514041546).

The spelling of 22402021124 in words is "twenty-two billion, four hundred two million, twenty-one thousand, one hundred twenty-four".