22321497510825 has 48 divisors (see below), whose sum is σ = 39405004108800. Its totient is φ = 11122380118080.

The previous prime is 22321497510821. The next prime is 22321497510839. The reversal of 22321497510825 is 52801579412322.

It is not a de Polignac number, because 22321497510825 - 2² = 22321497510821 is a prime.

It is a super-3 number, since 3×22321497510825³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (22321497510821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 150390925 + ... + 150539274.

It is an arithmetic number, because the mean of its divisors is an integer number (820937585600).

Almost surely, 2^{22321497510825} is an apocalyptic number.

22321497510825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22321497510825 is a deficient number, since it is larger than the sum of its proper divisors (17083506597975).

22321497510825 is a wasteful number, since it uses less digits than its factorization.

22321497510825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300930278 (or 300930273 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 22321497510825 in words is "twenty-two trillion, three hundred twenty-one billion, four hundred ninety-seven million, five hundred ten thousand, eight hundred twenty-five".