22240301220 has 60 divisors (see below), whose sum is σ = 69768653724. Its totient is φ = 5930746560.

The previous prime is 22240301207. The next prime is 22240301233. The reversal of 22240301220 is 2210304222.

It is an interprime number because it is at equal distance from previous prime (22240301207) and next prime (22240301233).

It can be written as a sum of positive squares in 2 ways, for example, as 4406835456 + 17833465764 = 66384^2 + 133542^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22240301193 and 22240301202.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6862671 + ... + 6865910.

Almost surely, 2^22240301220 is an apocalyptic number.

22240301220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22240301220 is an abundant number, since it is smaller than the sum of its proper divisors (47528352504).

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

22240301220 is a wasteful number, since it uses less digits than its factorization.

22240301220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13728602 (or 13728591 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22240301220 its reverse (2210304222), we get a palindrome (24450605442).

The spelling of 22240301220 in words is "twenty-two billion, two hundred forty million, three hundred one thousand, two hundred twenty".