22502221241 has 8 divisors (see below), whose sum is σ = 23833874664. Its totient is φ = 21171456000.

The previous prime is 22502221237. The next prime is 22502221243. The reversal of 22502221241 is 14212220522.

It can be written as a sum of positive squares in 4 ways, for example, as 1505052025 + 20997169216 = 38795^2 + 144904^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22502221241 - 2² = 22502221237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22502221243) 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, 169520 + ... + 271553.

It is an arithmetic number, because the mean of its divisors is an integer number (2979234333).

Almost surely, 2^22502221241 is an apocalyptic number.

It is an amenable number.

22502221241 is a deficient number, since it is larger than the sum of its proper divisors (1331653423).

22502221241 is a wasteful number, since it uses less digits than its factorization.

22502221241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444091.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 22502221241 its reverse (14212220522), we get a palindrome (36714441763).

The spelling of 22502221241 in words is "twenty-two billion, five hundred two million, two hundred twenty-one thousand, two hundred forty-one".