22132202240 has 72 divisors (see below), whose sum is σ = 54141635520. Its totient is φ = 8664498176.

The previous prime is 22132202179. The next prime is 22132202263. The reversal of 22132202240 is 4220223122.

It is a super-2 number, since 2×22132202240² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123785 + ... + 244104.

It is an arithmetic number, because the mean of its divisors is an integer number (751967160).

Almost surely, 2^22132202240 is an apocalyptic number.

22132202240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22132202240 is an abundant number, since it is smaller than the sum of its proper divisors (32009433280).

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

22132202240 is an equidigital number, since it uses as much as digits as its factorization.

22132202240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367957 (or 367943 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22132202240 its reverse (4220223122), we get a palindrome (26352425362).

The spelling of 22132202240 in words is "twenty-two billion, one hundred thirty-two million, two hundred two thousand, two hundred forty".