22209729040 has 40 divisors (see below), whose sum is σ = 51658122240. Its totient is φ = 8880364416.

The previous prime is 22209729037. The next prime is 22209729043. The reversal of 22209729040 is 4092790222.

It is an interprime number because it is at equal distance from previous prime (22209729037) and next prime (22209729043).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (22209729043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152497 + ... + 260143.

It is an arithmetic number, because the mean of its divisors is an integer number (1291453056).

Almost surely, 2^22209729040 is an apocalyptic number.

22209729040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22209729040 is an abundant number, since it is smaller than the sum of its proper divisors (29448393200).

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

22209729040 is a wasteful number, since it uses less digits than its factorization.

22209729040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110239 (or 110233 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 22209729040 in words is "twenty-two billion, two hundred nine million, seven hundred twenty-nine thousand, forty".