25222005510 has 64 divisors (see below), whose sum is σ = 65665156032. Its totient is φ = 6163163136.

The previous prime is 25222005469. The next prime is 25222005517. The reversal of 25222005510 is 1550022252.

It is a super-2 number, since 2×25222005510² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25222005517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182599 + ... + 289458.

It is an arithmetic number, because the mean of its divisors is an integer number (1026018063).

Almost surely, 2^25222005510 is an apocalyptic number.

25222005510 is an abundant number, since it is smaller than the sum of its proper divisors (40443150522).

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

25222005510 is a wasteful number, since it uses less digits than its factorization.

25222005510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472217.

The product of its (nonzero) digits is 2000, while the sum is 24.

Adding to 25222005510 its reverse (1550022252), we get a palindrome (26772027762).

The spelling of 25222005510 in words is "twenty-five billion, two hundred twenty-two million, five thousand, five hundred ten".