22422444100 has 108 divisors (see below), whose sum is σ = 59930328276. Its totient is φ = 7235450880.

The previous prime is 22422444091. The next prime is 22422444221. The reversal of 22422444100 is 144422422.

It can be written as a sum of positive squares in 6 ways, for example, as 1026946116 + 21395497984 = 32046^2 + 146272^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51289 + ... + 217888.

It is an arithmetic number, because the mean of its divisors is an integer number (554910447).

Almost surely, 2^22422444100 is an apocalyptic number.

22422444100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22422444100 is an abundant number, since it is smaller than the sum of its proper divisors (37507884176).

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

22422444100 is a wasteful number, since it uses less digits than its factorization.

22422444100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269222 (or 269208 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 22422444100 its reverse (144422422), we get a palindrome (22566866522).

It can be divided in two parts, 224224 and 44100, that added together give a square (268324 = 518²).

The spelling of 22422444100 in words is "twenty-two billion, four hundred twenty-two million, four hundred forty-four thousand, one hundred".