22501251063 has 12 divisors (see below), whose sum is σ = 33705578088. Its totient is φ = 15000833880.

The previous prime is 22501251029. The next prime is 22501251131. The reversal of 22501251063 is 36015210522.

It is a happy number.

It is not a de Polignac number, because 22501251063 - 2¹⁰ = 22501250039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22501251263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46298628 + ... + 46299113.

It is an arithmetic number, because the mean of its divisors is an integer number (2808798174).

Almost surely, 2^22501251063 is an apocalyptic number.

22501251063 is a deficient number, since it is larger than the sum of its proper divisors (11204327025).

22501251063 is an frugal number, since it uses more digits than its factorization.

22501251063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92597756 (or 92597744 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 22501251063 its reverse (36015210522), we get a palindrome (58516461585).

The spelling of 22501251063 in words is "twenty-two billion, five hundred one million, two hundred fifty-one thousand, sixty-three".