22025250345204 has 36 divisors (see below), whose sum is σ = 55818061642980. Its totient is φ = 7322876716800.

The previous prime is 22025250345191. The next prime is 22025250345223. The reversal of 22025250345204 is 40254305252022.

22025250345204 is a `hidden beast` number, since 2 + 2 + 0 + 2 + 52 + 50 + 34 + 520 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15940838789604 + 6084411555600 = 3992598^2 + 2466660^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×22025250345204² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 786377397 + ... + 786405404.

It is an arithmetic number, because the mean of its divisors is an integer number (1550501712305).

Almost surely, 2^{22025250345204} is an apocalyptic number.

It is an amenable number.

22025250345204 is an abundant number, since it is smaller than the sum of its proper divisors (33792811297776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22025250345204 is a wasteful number, since it uses less digits than its factorization.

22025250345204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572783200 (or 1572783195 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

Adding to 22025250345204 its reverse (40254305252022), we get a palindrome (62279555597226).

The spelling of 22025250345204 in words is "twenty-two trillion, twenty-five billion, two hundred fifty million, three hundred forty-five thousand, two hundred four".