22010045252 has 24 divisors (see below), whose sum is σ = 42492192792. Its totient is φ = 9910713600.

The previous prime is 22010045221. The next prime is 22010045257. The reversal of 22010045252 is 25254001022.

It can be written as a sum of positive squares in 4 ways, for example, as 21307456 + 21988737796 = 4616^2 + 148286^2 .

It is not an unprimeable number, because it can be changed into a prime (22010045257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5159699 + ... + 5163962.

It is an arithmetic number, because the mean of its divisors is an integer number (1770508033).

Almost surely, 2^22010045252 is an apocalyptic number.

It is an amenable number.

22010045252 is a deficient number, since it is larger than the sum of its proper divisors (20482147540).

22010045252 is a wasteful number, since it uses less digits than its factorization.

22010045252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10323719 (or 10323717 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 22010045252 its reverse (25254001022), we get a palindrome (47264046274).

The spelling of 22010045252 in words is "twenty-two billion, ten million, forty-five thousand, two hundred fifty-two".