22521450245 has 16 divisors (see below), whose sum is σ = 31882902528. Its totient is φ = 14945109120.

The previous prime is 22521450229. The next prime is 22521450313. The reversal of 22521450245 is 54205412522.

It is not a de Polignac number, because 22521450245 - 2⁴ = 22521450229 is a prime.

It is a super-2 number, since 2×22521450245² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10377464 + ... + 10379633.

It is an arithmetic number, because the mean of its divisors is an integer number (1992681408).

Almost surely, 2^22521450245 is an apocalyptic number.

It is an amenable number.

22521450245 is a deficient number, since it is larger than the sum of its proper divisors (9361452283).

22521450245 is a wasteful number, since it uses less digits than its factorization.

22521450245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20757140.

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 22521450245 its reverse (54205412522), we get a palindrome (76726862767).

The spelling of 22521450245 in words is "twenty-two billion, five hundred twenty-one million, four hundred fifty thousand, two hundred forty-five".