22260351646 has 16 divisors (see below), whose sum is σ = 36836080848. Its totient is φ = 10023422400.

The previous prime is 22260351613. The next prime is 22260351661. The reversal of 22260351646 is 64615306222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10440000 + ... + 10442131.

It is an arithmetic number, because the mean of its divisors is an integer number (2302255053).

Almost surely, 2^22260351646 is an apocalyptic number.

22260351646 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22260351646 is a deficient number, since it is larger than the sum of its proper divisors (14575729202).

22260351646 is a wasteful number, since it uses less digits than its factorization.

22260351646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20882187.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 22260351646 its reverse (64615306222), we get a palindrome (86875657868).

The spelling of 22260351646 in words is "twenty-two billion, two hundred sixty million, three hundred fifty-one thousand, six hundred forty-six".