25343021422 has 32 divisors (see below), whose sum is σ = 40457400480. Its totient is φ = 11865047040.

The previous prime is 25343021401. The next prime is 25343021437. The reversal of 25343021422 is 22412034352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5653422 + ... + 5657902.

It is an arithmetic number, because the mean of its divisors is an integer number (1264293765).

Almost surely, 2^25343021422 is an apocalyptic number.

25343021422 is a deficient number, since it is larger than the sum of its proper divisors (15114379058).

25343021422 is a wasteful number, since it uses less digits than its factorization.

25343021422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 25343021422 its reverse (22412034352), we get a palindrome (47755055774).

The spelling of 25343021422 in words is "twenty-five billion, three hundred forty-three million, twenty-one thousand, four hundred twenty-two".