22425314540225 has 24 divisors (see below), whose sum is σ = 30161243728728. Its totient is φ = 16473114828800.

The previous prime is 22425314540177. The next prime is 22425314540231. The reversal of 22425314540225 is 52204541352422.

It can be written as a sum of positive squares in 12 ways, for example, as 7569316035121 + 14855998505104 = 2751239^2 + 3854348^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22425314540225 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 643463624 + ... + 643498473.

It is an arithmetic number, because the mean of its divisors is an integer number (1256718488697).

Almost surely, 2^{22425314540225} is an apocalyptic number.

22425314540225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22425314540225 is a deficient number, since it is larger than the sum of its proper divisors (7735929188503).

22425314540225 is a wasteful number, since it uses less digits than its factorization.

22425314540225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286962165 (or 1286962160 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 41.

Adding to 22425314540225 its reverse (52204541352422), we get a palindrome (74629855892647).

The spelling of 22425314540225 in words is "twenty-two trillion, four hundred twenty-five billion, three hundred fourteen million, five hundred forty thousand, two hundred twenty-five".