22220040140 has 24 divisors (see below), whose sum is σ = 46685464560. Its totient is φ = 8883562688.

The previous prime is 22220040131. The next prime is 22220040151. The reversal of 22220040140 is 4104002222.

It is a happy number.

It is a super-2 number, since 2×22220040140² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237275 + ... + 317394.

It is an arithmetic number, because the mean of its divisors is an integer number (1945227690).

Almost surely, 2^22220040140 is an apocalyptic number.

22220040140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220040140 is an abundant number, since it is smaller than the sum of its proper divisors (24465424420).

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

22220040140 is a wasteful number, since it uses less digits than its factorization.

22220040140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556681 (or 556679 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22220040140 its reverse (4104002222), we get a palindrome (26324042362).

The spelling of 22220040140 in words is "twenty-two billion, two hundred twenty million, forty thousand, one hundred forty".