25001322234 has 48 divisors (see below), whose sum is σ = 58181089248. Its totient is φ = 7141423968.

The previous prime is 25001322217. The next prime is 25001322251. The reversal of 25001322234 is 43222310052.

It is an interprime number because it is at equal distance from previous prime (25001322217) and next prime (25001322251).

It is a super-2 number, since 2×25001322234² (a number of 22 digits) contains 22 as substring.

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, 1519737 + ... + 1536099.

It is an arithmetic number, because the mean of its divisors is an integer number (1212106026).

Almost surely, 2^25001322234 is an apocalyptic number.

25001322234 is an abundant number, since it is smaller than the sum of its proper divisors (33179767014).

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

25001322234 is a wasteful number, since it uses less digits than its factorization.

25001322234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21579 (or 21572 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 25001322234 its reverse (43222310052), we get a palindrome (68223632286).

The spelling of 25001322234 in words is "twenty-five billion, one million, three hundred twenty-two thousand, two hundred thirty-four".