22506061425 has 24 divisors (see below), whose sum is σ = 37230905760. Its totient is φ = 11996496000.

The previous prime is 22506061423. The next prime is 22506061441. The reversal of 22506061425 is 52416060522.

It is not a de Polignac number, because 22506061425 - 2¹ = 22506061423 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22506061421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51766 + ... + 218384.

It is an arithmetic number, because the mean of its divisors is an integer number (1551287740).

Almost surely, 2^22506061425 is an apocalyptic number.

22506061425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22506061425 is a deficient number, since it is larger than the sum of its proper divisors (14724844335).

22506061425 is a wasteful number, since it uses less digits than its factorization.

22506061425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168433 (or 168428 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 22506061425 in words is "twenty-two billion, five hundred six million, sixty-one thousand, four hundred twenty-five".