22002401224 has 8 divisors (see below), whose sum is σ = 41254502310. Its totient is φ = 11001200608.

The previous prime is 22002401221. The next prime is 22002401227. The reversal of 22002401224 is 42210420022.

It is an interprime number because it is at equal distance from previous prime (22002401221) and next prime (22002401227).

It can be written as a sum of positive squares in only one way, i.e., 18023062500 + 3979338724 = 134250^2 + 63082^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (22002401221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375150069 + ... + 1375150084.

Almost surely, 2^22002401224 is an apocalyptic number.

It is an amenable number.

22002401224 is a deficient number, since it is larger than the sum of its proper divisors (19252101086).

22002401224 is a wasteful number, since it uses less digits than its factorization.

22002401224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750300159 (or 2750300155 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22002401224 its reverse (42210420022), we get a palindrome (64212821246).

The spelling of 22002401224 in words is "twenty-two billion, two million, four hundred one thousand, two hundred twenty-four".