22251161310 has 32 divisors (see below), whose sum is σ = 61031757312. Its totient is φ = 5085979680.

The previous prime is 22251161279. The next prime is 22251161321. The reversal of 22251161310 is 1316115222.

It is a happy number.

It is a super-2 number, since 2×22251161310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52978746 + ... + 52979165.

It is an arithmetic number, because the mean of its divisors is an integer number (1907242416).

Almost surely, 2^22251161310 is an apocalyptic number.

22251161310 is an abundant number, since it is smaller than the sum of its proper divisors (38780596002).

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

22251161310 is a wasteful number, since it uses less digits than its factorization.

22251161310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105957928.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 22251161310 its reverse (1316115222), we get a palindrome (23567276532).

The spelling of 22251161310 in words is "twenty-two billion, two hundred fifty-one million, one hundred sixty-one thousand, three hundred ten".