22022000025 has 24 divisors (see below), whose sum is σ = 36696413184. Its totient is φ = 11652580800.

The previous prime is 22022000017. The next prime is 22022000029. The reversal of 22022000025 is 52000022022.

It is not a de Polignac number, because 22022000025 - 2³ = 22022000017 is a prime.

It is a super-2 number, since 2×22022000025² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 22021999968 and 22022000013.

It is not an unprimeable number, because it can be changed into a prime (22022000029) 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, 1146486 + ... + 1165535.

It is an arithmetic number, because the mean of its divisors is an integer number (1529017216).

Almost surely, 2^22022000025 is an apocalyptic number.

22022000025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22022000025 is a deficient number, since it is larger than the sum of its proper divisors (14674413159).

22022000025 is a wasteful number, since it uses less digits than its factorization.

22022000025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312161 (or 2312156 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

Adding to 22022000025 its reverse (52000022022), we get a palindrome (74022022047).

The spelling of 22022000025 in words is "twenty-two billion, twenty-two million, twenty-five", and thus it is an aban number and an uban number.