25945993222 has 8 divisors (see below), whose sum is σ = 39304326672. Its totient is φ = 12844551000.

The previous prime is 25945993219. The next prime is 25945993231. The reversal of 25945993222 is 22239954952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25945993222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64222554 + ... + 64222957.

It is an arithmetic number, because the mean of its divisors is an integer number (4913040834).

Almost surely, 2^25945993222 is an apocalyptic number.

25945993222 is a deficient number, since it is larger than the sum of its proper divisors (13358333450).

25945993222 is a wasteful number, since it uses less digits than its factorization.

25945993222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128445614.

The product of its digits is 3499200, while the sum is 52.

The spelling of 25945993222 in words is "twenty-five billion, nine hundred forty-five million, nine hundred ninety-three thousand, two hundred twenty-two".