22240282398 has 32 divisors (see below), whose sum is σ = 45056924160. Its totient is φ = 7317423360.

The previous prime is 22240282391. The next prime is 22240282399. The reversal of 22240282398 is 89328204222.

It is a super-2 number, since 2×22240282398² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240282391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2772213 + ... + 2780223.

It is an arithmetic number, because the mean of its divisors is an integer number (1408028880).

Almost surely, 2^22240282398 is an apocalyptic number.

22240282398 is an abundant number, since it is smaller than the sum of its proper divisors (22816641762).

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

22240282398 is a wasteful number, since it uses less digits than its factorization.

22240282398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13952.

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 22240282398 in words is "twenty-two billion, two hundred forty million, two hundred eighty-two thousand, three hundred ninety-eight".